This project Desigened for Arduino Bluetooth control HC-05 module from Android.
Arduino code for Hc-05 module
char data = 0;
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();
if(data == 1)
digitalWrite(13, HIGH);
else
digitalWrite(13, LOW);
}
}
Coneection Method Arduino to HC-05 module
set pin HC-05 module Rx - Arduino Tx
set pin HC-05 module TX - Arduino RX
set GCC-GCC and 5v-5V