[PD] electro-mechanical piano (player piano) - Arduino, Solenoid Issue

[batinste]

Your might want to take a look at the TLC 5940. It's a led-driving chip 
with 16 pwm outputs. Chips are daisy-chainable, and there is an arduino 
library.
https://www.sparkfun.com/products/10136

On 25/06/2013 22:53, Charles Z Henry wrote:
> Are you sure you need PWM pins?  You'll definitely be paying for more 
> *duinos if you are just using those.  If I were you, I'd think of 
> another way to deliver a variable impulse to the hammers.
>
> Chuck
>
>
> On Tue, Jun 25, 2013 at 3:43 PM, Epic Jefferson 
> <jeffreyconcepcion at gmail.com <mailto:jeffreyconcepcion at gmail.com>> wrote:
>
>     Hey guys,
>
>     I've had progress building an Arduino-powered solenoid system for
>     a controlling a piano's hammer mechanism (removing the keys) via pd.
>     So far I've found the solenoid I want to use. Inline image 1
>     Does any one have experience daisy-chaining arduinos (or arduino
>     mega's) to get more pwm pins, while using just one usb connection
>     for controlling via pd?
>
>     -- 
>     www.epicjefferson.com <http://www.epicjefferson.com>
>
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