CentralAutomacao

int rele1 = A0;
int rele2 = A1;
int rele3 = A2;
int rele4 = A3;
int rele5 = A4;
int rele6 = A5;

int rele01 = LOW;
int rele02 = LOW;
int rele03 = LOW;
int rele04 = LOW;
int rele05 = LOW;
int rele06 = LOW;

char ler;

void setup(){
  
Serial.begin(9600);

pinMode(rele1, OUTPUT);
pinMode(rele2, OUTPUT);
pinMode(rele3, OUTPUT);
pinMode(rele4, OUTPUT);
pinMode(rele5, OUTPUT);
pinMode(rele6, OUTPUT);
}

void loop(){

  if(Serial.available()){
ler = Serial.read();

if(ler == '1'){
rele01 = !rele01;
}

if(ler == '2'){
rele02 = !rele02;
}

if(ler == '3'){
rele03 = !rele03;
}

if(ler == '4'){
rele04 = !rele04;                          
}

if(ler == '5'){
rele05 = !rele05;                          
}

if(ler == '6'){
rele06 = !rele06;                          
}

}
digitalWrite(rele1, rele01);
digitalWrite(rele2, rele02);
digitalWrite(rele3, rele03);
digitalWrite(rele4, rele04);
digitalWrite(rele5, rele05);
digitalWrite(rele6, rele06);
}