How to Interface Bluetooth Module HC-05 with Arduino | Arduino के साथ ब्लूटूथ को कैसे इंटरफ़ेस करें?

How to Interface Bluetooth Module HC-05 with Arduino | Arduino के साथ ब्लूटूथ को कैसे इंटरफ़ेस करें?

Video Link: - Click Here for Video how we can interface Bluetooth module HC-05 with Arduino Uno in the description, everything you need to know. Arduino Bluetooth controller Link: - Arduino Bluetooth controller Arduino Program

#define ledPin 2
int data = 0;
void setup() {
pinMode(ledPin, OUTPUT);
digitalWrite(ledPin, LOW);
Serial.begin(9600); //default baud rate for bt 38400
}
void loop() {
  if(Serial.available() > 0){ // Checks whether data is comming from the serial port
    data = Serial.read(); // Reads the data from the serial port
    
          if (data == 'a') {
            digitalWrite(ledPin, LOW); // Turn LED OFF
            Serial.println("LED: OFF"); 
            }
              else if (data == 'b') {
                digitalWrite(ledPin, HIGH);
                Serial.println("LED: ON");
              } 
  }
  

}

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