#define rele 10
#define power_on 13
//#define MINUTE 62609
#define MINUTE 10000

unsigned long time=0;
byte flag=0;
int i=1;
int val=0;

void setup() {
  Serial.begin(19200);           // set up Serial library at 9600 bps
  //Serial.println("Empezamos");
  pinMode(rele, OUTPUT); 
  pinMode(power_on, OUTPUT);
  digitalWrite(rele,LOW);
  digitalWrite(power_on,HIGH);
}

void loop() { 
  if (Serial.available() > 0)
  {
   val = Serial.read();
   if (val==0x09)
   {
     Serial.print(val,BYTE);
     digitalWrite(rele,HIGH);
   }
   else if((val==0x0A)||(val==0x00))
   {
     Serial.print  (val,BYTE);
     digitalWrite(rele,LOW);     
   }
  }
}