[PD] Re: [PD-announce] PWM in Pd

Hans-Christoph Steiner hans at eds.org
Fri May 26 13:31:15 CEST 2006


On May 25, 2006, at 11:33 PM, Charles Henry wrote:

> yeah, but...there's just no replacement for hardware level PWM, when
> we're talking about high carrier frequencies...you could use Pd to
> control the on/off switches of your transistor bridge when the carrier
> freq is low (say ~1-2 kHz), but often you want to get a carrier
> frequency in the neighborhood of say, 200 kHz...
> No one in the right mind would use Pd for synchronous/asynchronous
> motor control in the first place. am I wrong?

I guess my mind is not right, because I was using Pd and the [pwm]  
object to control a DC motor via MIDI at about 20-40 Hz.  It worked,  
can't say much more than that.

.hc

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"Looking at things from a more basic level, you can come up with a  
more direct solution... It may sound small in theory, but it in  
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