// include the SoftwareSerial library so you can use its functions:
#include <SoftwareSerial.h>
#define rxPin 10
#define txPin 11
// set up a new serial port
SoftwareSerial mySerial = SoftwareSerial(rxPin txPin);
void setup() {
// define pin modes for tx rx:
pinMode(rxPin INPUT);
pinMode(txPin OUTPUT);
// set the data rate for the SoftwareSerial port
mySerial.begin(9600);
}
void loop() {
// ...
}