bluetooth

#include  <SoftwareSerial.h> 
SoftwareSerial BTSerial(10, 11); // RX | TX 
void setup() 
{
  pinMode(9,OUTPUT);
  digitalWrite(9,HIGH); 
  Serial.begin(9600); 
  Serial.println("Enter AT commands:"); 
  BTSerial.begin(38400);  // HC-05 default speed in AT command more 
} 
void loop() 
{ 
  // Keep reading from HC-05 and send to Arduino Serial Monitor 
if (BTSerial.available()) 
  { 
    Serial.write(BTSerial.read()); 
  } 
  // Keep reading from Arduino Serial Monitor and send to HC-05 
  if (Serial.available()) 
  { 
    BTSerial.write(Serial.read()); 
  } 
}