If you look at Serial.read, it returns an int.
The only reason it doesn't return a char is because if there is no data to read, it returns -1.
It can't return more than one characer at a time.
Is that a problem for you?
If you look at Serial.read, it returns an int.
The only reason it doesn't return a char is because if there is no data to read, it returns -1.
It can't return more than one characer at a time.
Is that a problem for you?