Sidarduino

#include <SoftwareSerial.h>
SoftwareSerial BTserial(10, 11); // RX | TX

char c = '-';
char d = '-';
void setup()
{
    Serial.begin(9600);
    Serial.println("Arduino is ready");

    // HC-05 default serial speed for commincation mode is 9600
    BTserial.begin(9600);
}

void loop()
{

    // Keep reading from HC-05 and send to Arduino Serial Monitor
    if (BTserial.available())
    {
        c = BTserial.read();
        Serial.write(c);
    }

    // Keep reading from Arduino Serial Monitor and send to HC-05
    if (Serial.available())
    {
        d =  Serial.read();
        BTserial.write(d);
    }

}