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High Density Connector Pin Names #74

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@hpssjellis

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@facchinm @sbhklr

With other ~30 pin Arduinos I understand pin names relate to ports, for example::

PA14, PB3, PC1, PD10

, but on the PortentaH7 we have potentially 160 Pins. That many pins must be confusing for the engineers but is basically ridiculous for any users. Any chance we could define all 160 pins by the logical names:

J1-1
J1-2
J1-3

J2-1
J2-2 etc, etc

So that users could actually write code that makes sense, like this for D6:

digitalWrite( J2-59 , LOW);

I don't think #defines take up any programming space in memory so I can't think of a reason not to simplify the naming on the Portenta pins.

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