 #include <RBL_nRF8001.h>
 
 const int BTN_PIN = 4;
-const int LED_PIN = 2;
+const int LED_PIN = 3;
+const int SERVO_PIN = 6; 
+const int POT_PIN = A0;
 
 void setup()
 {  

  

  pinMode(BTN_PIN,INPUT);

  pinMode(LED_PIN,OUTPUT);
  digitalWrite( LED_PIN, LOW );
  
  // Init. and start BLE library.
  ble_begin();
  
  // Enable serial debug
  Serial.begin(57600);
}

    }
  }

  //read from pot
  int newPotVal = analogRead(POT_PIN);
  if( newPotVal != potVal ) {
    
    potVal = newPotVal;
    int newBrightness = potVal/4;
    analogWrite(LED_PIN, newBrightness);
    String sendCommand = "POT " + String(potVal);
    for( int i = 0; i < sendCommand.length(); i++ ) {
      ble_write( sendCommand[i] );
    }
  }

  delay(10);
  

