[PD] arduino melody example in PD?
altern
altern2 at gmail.com
Sun Nov 8 19:22:25 CET 2009
> That sketch is playing a tune making square waves of different
> frequencies. That's not really the same as PWM, which varies the length
> of the pulse, but the frequency stays constant. There are a few ways to
> generate a square wave of a given freq. in Pd, if that is your goal. If
> you want to do it by modeling the Arduino's use of a timer to turn a
> signal on and off, that might be an interesting exercise. One easier
> way, though, would be to amplify and clip a sine wave.
>
> [osc~ 440]
> |
> [*~ 50]
> |
> [clip~ -0.5 0.5]
>
> then if you plug a 50 cent piezo buzzer into the sound card of your
> $1000 laptop, it will sound just like a $3 avr!
hehe... thanks for your suggestion :)
enrike
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