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This example is for Wiring version 1.0 build 0100+. If you have a previous version, use the examples included with your software. If you see any errors or have comments, please let us know.

NewSoftSerial
Demonstrates the use of software serial ports with two ports

    #include <NewSoftSerial.h>

    NewSoftSerial nss(4, 5);
    NewSoftSerial nss2(6, 7);

    void setup()
    {
      nss2.begin(4800);
      nss.begin(4800);
      Serial.begin(115200);
    }

    void loop()
    {
      // Every 10 seconds switch from
      // one serial GPS device to the other
      if ((millis() / 10000) % 2 == 0)
      {
        if (nss.available())
        {
          Serial.print(nss.read(), BYTE);
        }
      }

      else
      {
        if (nss2.available())
        {
          Serial.print(nss2.read(), BYTE);
        }
      }
    }