roboforum.ru

void loop()
{
  unsigned long start = millis();

  while (millis() - start < 5000)
    {
    if (Serial1.available()) {
      char c = Serial1.read();
       Serial.print(c); 
    }
}

#include <SoftwareSerial.h>
// software serial #1: TX = digital pin 10, RX = digital pin 11
SoftwareSerial portOne(12,13);

// software serial #2: TX = digital pin 8, RX = digital pin 9
// on the Mega, use other pins instead, since 8 and 9 don't work on the Mega
//SoftwareSerial portTwo(8,9);

void setup()
{
 // Open serial communications and wait for port to open:
  Serial.begin(115200);
   while (!Serial) {
    ; // wait for serial port to connect. Needed for Leonardo only
  }

  // Start each software serial port
  portOne.begin(4800);
}

void loop()
{
  // By default, the last intialized port is listening.
  // when you want to listen on a port, explicitly select it:
  portOne.listen();
  Serial.println("Data from port one:");
  // while there is data coming in, read it and send to the hardware serial port:
  while (portOne.available() > 0) {
    char inByte = portOne.read();
    Serial.write(inByte);
  }
  Serial.println("===============");
  delay(300);
}