Home Automation

1void setup() {
2 Serial.begin(9600);
3 pinMode(13,OUTPUT);// put your  setup code here, to run once:
4
5}
6
7void loop() {
8  if(Serial.available()>0)
9  {char data = Serial.read();
10  switch(data)
11  {
12    case 'a' : digitalWrite(13,HIGH);
13    case 'b' : digitalWrite(13,LOW);
14  }
15  Serial.println(data);
16  }
17  delay(50);
18}
19  
20  // put your main code here, to run repeatedly:
21
22
23