TX Bluetooth ESP32

//TX
#include "BluetoothSerial.h"

BluetoothSerial SerialBT;

String MACadd = "EC:64:C9:91:1F:8A";///address of the Receiver ESP32
uint8_t address[6]  = {0xEC, 0x64, 0xC9, 0x91, 0x1F, 0x8A};///address of the Receiver ESP32 in HEX
bool connected;

void setup() {
  Serial.begin(115200);
  SerialBT.begin("ESP32test", true);
  Serial.println("The device started in master mode, make sure remote BT device is on!");

  // connect(address) is fast (upto 10 secs max), connect(name) is slow (upto 30 secs max) as it needs
  // to resolve name to address first, but it allows to connect to different devices with the same name.
  // Set CoreDebugLevel to Info to view devices bluetooth address and device names
  connected = SerialBT.connect(address);

  if(connected) {
    Serial.println("Connected Succesfully!");
  } else {
    while(!SerialBT.connected(10000)) {
      Serial.println("Failed to connect. Make sure remote device is available and in range, then restart app.");
    }
  }
  // disconnect() may take upto 10 secs max
  if (SerialBT.disconnect()) {
    Serial.println("Disconnected Succesfully!");
  }
  // this would reconnect to the name(will use address, if resolved) or address used with connect(name/address).
  SerialBT.connect();
}



void loop() {
  uint8_t send_data[6];
  send_data[0]='H';
  send_data[1]='E';
  send_data[2]='L';
  send_data[3]='L';
  send_data[4]='O';
  send_data[5]='.';
  SerialBT.write(send_data,6);//send_data, 6);
  delay(1000);
}