Hi...
It's not really the subject because we didn't use Pd for the this version... But we've done a piano player with 48 servo engine (HS-422 from Hitec) controlled by I2C with a 3 PCA9685 and a Raspberry Pi. This one from Adafruit ( http://www.adafruit.com/products/815 ) can be used with an Arduino.
Cheers
01ivier
Le 25.06.2013 23:23, Peter Venus a écrit :
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@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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