Analyse if a char is an hexadecimal digit (A-F, 0-9). Returns true if thisChar contains an hexadecimal digit.
isHexadecimalDigit(thisChar)
thisChar: variable. Allowed data types: char.
true: if thisChar is an hexadecimal digit.
if (isHexadecimalDigit(myChar)) { // tests if myChar is an hexadecimal digit
Serial.println("The character is an hexadecimal digit");
}
else {
Serial.println("The character is not an hexadecimal digit");
}LANGUAGE char
LANGUAGE if (conditional operators)
LANGUAGE while (conditional operators)
LANGUAGE read()