isAscii()
Analyse if a char is Ascii. Returns true if thisChar contains an Ascii character. isAscii(thisChar)thisChar: variable. Allowed data types: char. true: if thisChar is Ascii.
if (isAscii(myChar)) { // tests if myChar is an Ascii character
Serial.println("The character is Ascii");
}
else {
Serial.println("The character is not Ascii");
}