Analyse if a char is printable (that is any character that produces an output, even a blank space). Returns true if thisChar is printable.
Syntax
`isAlpha(thisChar)`
Parameters
thisChar: variable. Allowed data types: char
Returns
true: if thisChar is printable.
Example Code
if (isPrintable(this)) // tests if this is printable char
{
Serial.println("The character is printable");
}
else
{
Serial.println("The character is not printable");
}
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