Analyse if a char is printable with some content (space is printable but has no content). Returns true if thisChar is printable.
isGraph(thisChar)
thisChar: variable. Allowed data types: char.
true: if thisChar is printable.
if (isGraph(myChar)) { // tests if myChar is a printable character but not a blank space.
Serial.println("The character is printable");
}
else {
Serial.println("The character is not printable");
}LANGUAGE char
LANGUAGE if (conditional operators)
LANGUAGE while (conditional operators)
LANGUAGE read()