#include <SoftwareSerial.h>

//SoftwareSerial bt(3, 2);
//SoftwareSerial bt(0, 1);
int btData;  

void setup() {
  //bt.begin(9600);
  Serial.begin(9600);
  Serial.println("hello");

}

void loop() {
  if(Serial.available( ) > 0)  
  {  
      btData = Serial.read( );  // It will read the incoming or arriving data byte  
      Serial.print("data byte received:");  
      Serial.println(btData);  
  }  

 // if(analogRead(A0)<500) bt.print('L');
 // if(analogRead(A0)>550) bt.print('R');
  delay(50);


}