Power extension comanded per Bluetooth®

#include <SoftwareSerial.h>
#define GERAL 9
#define T1 12 
#define T2 11
#define T3 10
#define LEDGERAL 8
#define LEDT1 7
#define LEDT2 6
#define LEDT3 5
SoftwareSerial bluetooth(4,3);

char comando;

void setup() {
    bluetooth.begin(9600);
    for(int i=5;i<=12;i++)
    {
      pinMode(i,OUTPUT); 
    }
     digitalWrite(GERAL,HIGH);
     digitalWrite(T1,HIGH);
     digitalWrite(T2,HIGH);
     digitalWrite(T3,HIGH);   

}

void loop() {
  if(bluetooth.available()>0){

    comando = bluetooth.read();
    // Rele Geral
    if(comando == 'A')
    {
     digitalWrite(GERAL,LOW);
     digitalWrite(LEDGERAL,HIGH);
    }
    if(comando == 'a')
    {
      digitalWrite(GERAL,HIGH);
      digitalWrite(LEDGERAL,LOW);
      digitalWrite(T1,HIGH);
      digitalWrite(LEDT1,LOW);
      digitalWrite(T2,HIGH);
      digitalWrite(LEDT2,LOW);
      digitalWrite(T3,HIGH);
      digitalWrite(LEDT3,LOW);
    }
    
    //Tomada 1
     if(comando == 'B')
    {
     digitalWrite(T1,LOW);
     digitalWrite(LEDT1,HIGH);
    }
    if(comando == 'b')
    {
      digitalWrite(T1,HIGH);
      digitalWrite(LEDT1,LOW);
    }

     //Tomada 2
     if(comando == 'C')
    {
     digitalWrite(T2,LOW);
     digitalWrite(LEDT2,HIGH);
    }
    if(comando == 'c')
    {
      digitalWrite(T2,HIGH);
      digitalWrite(LEDT2,LOW);
    }


    //Tomada 3
     if(comando == 'D')
    {
     digitalWrite(T3,LOW);
     digitalWrite(LEDT3,HIGH);
    }
    if(comando == 'd')
    {
      digitalWrite(T3,HIGH);
      digitalWrite(LEDT3,LOW);
    }
   
  }
}