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

[Peter Venus]

maybe this could help you.
http://algo.mur.at/projects/microcontroller
this is developed by winfried ritsch, who realised really fast 
responding automated pianos with these.

peter

Am 25.06.13 22:53, schrieb Charles Z Henry:
> 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
>> 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. [image: 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
>>
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