[PD] PD to CV redux (Arduino)
stffn at dibidut.dk
Wed Oct 11 22:11:28 CEST 2006
On 11/10/2006, at 20.49, <martin.peach at sympatico.ca>
<martin.peach at sympatico.ca> wrote:
>>> If I wanted to program an Arduino to send out Control Voltage for a
>>> modular synth, what would the resolution be? Would it be better than
>>> MIDI? Enough for microtones? Could it make quick modulations?
> The DAC716 is really good for this. It has 16-bit resolution so
> microtones can be quite finely tuned (10V/65536levels =
> 153microVolt per level). So you also need a clean power supply and
> careful circuit layout to avoid contaminating the control voltage
> with clock signals and switching noise from the rest of the circuit.
> It would use three or four pins of the arduino: clock, serial data,
> load dac, and maybe chip select if you have more than one.
Not to be rude, just noob, what's then the use of the Arduino? I
mean, why use a Arduino with that chip, if the chip in itself does
the trick; and what does the Arduino lack in order to do the wanted?
Thanks for bringing back the topic.
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