#include <SoftwareSerial.h>

#define TXPORT 16
#define RXPORT 14

SoftwareSerial mySerial(RXPORT, TXPORT);

void setup() {
  Serial.begin(115200);
  while (!Serial) {
    ; // wait for serial port to connect. Needed for Native USB only
  }

  Serial.println("Board OK");

  // set the data rate for the SoftwareSerial port
  mySerial.begin(115200);
}

void loop() {
  if (mySerial.available())
    Serial.write(mySerial.read());
  if (Serial.available())
    mySerial.write(Serial.read());
}