Serial library only works on pins with dedicated UART, ie in the UNO digital pin 0 and 1.
For sending serial data over other pins you can use the SoftwareSerial library, which emulates the hardware by software, and you can chose the digital pins to act as Rx and Tx.
Serial library only works on pins with dedicated UART, ie in the UNO digital pin 0 and 1.
For sending serial data over other pins you can use the SoftwareSerial library, which emulates the hardware by software, and you can chose the digital pins to act as Rx and Tx.
