The first release does not allow several simultaneous objects in the same code. This is because "port"instance (which belongs to HardwareSerial) is only called once outside the code and it isn't embedded in the main class.
The first release does not allow several simultaneous objects in the same code. This is because "port"instance (which belongs to HardwareSerial) is only called once outside the code and it isn't embedded in the main class.