The serial port can only communicate with one device at a time.
But you can use the softserial library to create an extra serialport (in software) that uses other pins than the dedicated Tx and Rx pins on your Arduino.
The serial port can only communicate with one device at a time.
But you can use the softserial library to create an extra serialport (in software) that uses other pins than the dedicated Tx and Rx pins on your Arduino.