how to connect arduino to android via bluetooth
you need- arduino uno or other arduino board HC-05/HC-06 bluetooth module jumper wire 9v power or battery Download mobile app ardudroid or any other app from paly store send serial data 1 --glow led send serial data 0 -- put off led blutooth module HC-05 password 1234 connection vcc to 5v GND to GND RX to TX TX to RX arduino code-- char data = 0; //Variable for storing received data void setup() { Serial.begin(9600); //Sets the data rate in bits per second (baud) for serial data transmission pinMode(13, OUTPUT); //Sets digital pin 13 as output pin } void loop() { if(Serial.available() > 0) // Send data only when you receive data: { data = Serial.read(); //Read the incoming data and store it into variable data Serial.print(data); //Print Value inside data in Serial monitor Serial.print("\n"); //New line if(data == '1') //Checks whe
