#include "BluetoothSerial.h"
#if !defined(CONFIG_BT_ENABLED) || !defined(CONFIG_BLUEDROID_ENABLED)
#error Bluetooth is not enabled! Please run `make menuconfig` to and enable it
#endif
BluetoothSerial SerialBT;
int received;
char receivedChar;
const char turnON ='1';
const char turnOFF ='0';
const int servo = 23;
void setup() {
  Serial.begin(9600);
  SerialBT.begin("logee");// set your willing name
  Serial.println("The device started, now you can pair it with bluetooth!");
  //Serial.println("To turn ON send: a");//print on serial monitor  
  //Serial.println("To turn OFF send: b"); //print on serial monitor 
  pinMode(servo, OUTPUT);
 
}

void loop() {
    receivedChar =(char)SerialBT.read();

  if (Serial.available()) {
    SerialBT.write(Serial.read());
  
  }
  if (SerialBT.available()) {
    
    SerialBT.print("Received:");// write on BT app
    SerialBT.println(receivedChar);// write on BT app      
    Serial.print ("Received:");//print on serial monitor
    Serial.println(receivedChar);//print on serial monitor    
    //SerialBT.println(receivedChar);//print on the app    
    //SerialBT.write(receivedChar); //print on serial monitor
    if(receivedChar == turnON)
    {
     SerialBT.println("MOTOR ON:");// write on BT app
     Serial.println("MOTOR ON:");//write on serial monitor
     digitalWrite(servo, HIGH);// turn the LED ON
       
    }
    if(receivedChar == turnOFF)
    {
     SerialBT.println("MOTOR OFF:");// write on BT app
     Serial.println("MOTOR OFF:");//write on serial monitor
      digitalWrite(servo, LOW);// turn the LED off 
    }    
     
  

  }
  delay(20);
}