blutut_arduino.ino

#include <SoftwareSerial.h>
#include <stdio.h>

int ledONE = 13;

int bluetoothTX = 1 ;
int bluetoothRX = 0 ;
char receivedValue ;

SoftwareSerial bluetooth ( bluetoothTX, bluetoothRX );

void setup()
{
  Serial.begin(9600);  
  Serial.println("console> ");
  
  pinMode(ledONE, OUTPUT);
 
  bluetooth.begin(115200);
  bluetooth.print("$$$");
  delay(100);
  bluetooth.println("U,9600,N");
  bluetooth.begin(9600);

}


void loop()
{
int data = 0;

 if( bluetooth.available() )
  {
    data = (int) bluetooth.read();
    Serial.println(data);                 // for debugging, show received data

      if(data == 26) 
      {
        allDown() ;
      }else if(data == 89){
        allUp() ;
      }
    bluetooth.flush();                       // IMPORTANT clean bluetooth stream, flush stuck data
  }

}


// SHUT DOWN all leds
void allDown()
{
    digitalWrite(ledONE,  LOW ) ; 
}

// ALL up now :)

void allUp()
{
    digitalWrite(ledONE,  HIGH) ; 
}


void setLEDone(int brighteness)
{
 analogWrite(ledONE,  brighteness ) ; 
}