#include <SoftwareSerial.h>
 
SoftwareSerial BTSerial(2, 3);
 
void setup(){
  Serial.begin(38400);
  BTSerial.begin(38400);
}
 
void loop(){
  if(BTSerial.available()){
    Serial.write(BTSerial.read());
  }
  if(Serial.available()){
    BTSerial.write(Serial.read());
  }
  delay(10);
}