out = getPinAlias(arduinoObj, pin) returns
an alias for the specified pin on your Arduino® hardware
when there are two labels for the same pin. If your pin does not have
two labels, it returns the same number back.
out — Alternate name of the specified pin character vector
Alternate name of the pin on the Arduino device, specified
as a character vector. If no alternate pins names exist, getPinAlias returns
the input pin number.
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