[PD] arduino mega and firmata, can i use all pins?

Tyler Leavitt thecryoflove at gmail.com
Fri Jun 24 20:31:04 CEST 2011

I've not had any problems usin my Mega with [arduino]... tho I've never
gotten anywhere near 40 digital outputs. Send me 40 LED's and I'll test em
out for ya =)

On Fri, Jun 24, 2011 at 11:23 AM, Martin Peach <martin.peach at sympatico.ca>wrote:

> On 2011-06-24 13:59, FernandoG wrote:
>> Hi !
>> I am in a proyect where i need to use 40 outputs digital pins and 15
>> analog input conected to a pd patch. I know arduino mega could be a good
>> solution, but searching in the web i found a post where someone said
>> arduino mega doesnt work with pd frimata,
>> http://arduino.cc/forum/index.**php/topic,62256.0.html<http://arduino.cc/forum/index.php/topic,62256.0.html>  please somebody
>> know if this is true? there is no way to use all analog inputs and
>> digital outputs from arduino mega?
> I guess you need to find someone who actually has an arduino mega.
> Just from looking at the firmata code, it seems to be compatible with all
> the different arduino variants. I would guess that it's the Pd patch that
> needs to be adapted to use a mega. You can probably figure out what does
> what and extend it.
> OTOH it is entirely feasible to write an arduino program that will do
> anything its microcontroller can do. Firmata turns the arduino into a kind
> of generic I/O box, but it is often more efficient to do precisely what you
> want by programming it directly. As long as the arduino software can set the
> 40 pins as outputs and read the 15 analog pins, then it is possible to
> control that from Pd via [comport].
> Martin
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