#include "BluetoothSerial.h"

// Create an instance of the BluetoothSerial class
BluetoothSerial BTSerial;

void setup() {
  //led
  pinMode(2, OUTPUT);
  // Initialize the Serial Monitor
  Serial.begin(115200);
  // Initialize Bluetooth with a device name
  BTSerial.begin("RC YF CAR");
  for(int i=0; i<5; i++)
  {
    digitalWrite(2, HIGH);
    delay(1000);
    digitalWrite(2, LOW);
    delay(1000);
  }
    Serial.print("BT Open");
 }

void loop() {
  // Check if there is any data available on the Bluetooth serial connection
  if (BTSerial.available()) {
    // Read the data from Bluetooth serial
    char incomingChar = BTSerial.read();
    
    // Print the received data to the Serial Monitor
    Serial.print("Received via BT: ");
    Serial.println(incomingChar);
    if(incomingChar == '1')
    {
      digitalWrite(2, HIGH);
    }
    else
    {
      digitalWrite(2, LOW);
    }
  }

}