Home automation bluetooth code void setup() { Serial.begin(9600); pinMode(8, OUTPUT); pinMode(9, OUTPUT); pinMode(10, OUTPUT); pinMode(11, OUTPUT); pinMode(12, OUTPUT); pinMode(13, OUTPUT); } void loop() { unsigned char x; digitalWrite(12, 0);delay(1); digitalWrite(11, 0);delay(1); digitalWrite(10, 0);delay(1); digitalWrite( 9, 0);delay(1); while(1) { x=Serial.read(); if(x=='1') {digitalWrite( 9, 1);delay(100);} if(x=='A') {digitalWrite( 9, 0);delay(100);} if(x=='2') {digitalWrite(10, 1);delay(100);} if(x=='B') {digitalWrite(10, 0);delay(100);} if(x=='3') {digitalWrite(11, 1);delay(100);} if(x=='C') {digitalWrite(11, 0);delay(100);} if(...