Voice Command Door Lock

1String voice;
2
3#define lockPin 12
4#define unlockPin 11
5void   setup() 
6{                                            // put your setup code   here, to run once:
7  Serial.begin(9600);
8  pinMode(lockPin, OUTPUT);
9  pinMode(unlockPin,   OUTPUT);
10 
11}
12void loop() {
13 
14  while (Serial.available())   //Check   if there is an available byte to read
15  {                            
16  delay(10);                    //Delay added to make thing stable
17  char c = Serial.read();       //Conduct a serial read
18  voice += c;                  //Shorthand for   voice = voice + c
19  } 
20
21  if (voice.length() > 0) {
22    Serial.println(voice);
23   if(voice == "door lock")//                             
24     {
25   
26      digitalWrite(lockPin,HIGH);
27     delay(3000);
28     digitalWrite(lockPin,LOW);
29     
30     }  
31  else if(voice == "door unlock")//                              
32      {
33    
34    digitalWrite(unlockPin,HIGH);
35     delay(3000);
36     digitalWrite(unlockPin,LOW);
37      }
38 voice="";                                                       //Reset   the variable after initiating
39  }}

1String voice;
2
3#define lockPin 12
4#define unlockPin 11
5void  setup() 
6{                                            // put your setup code  here, to run once:
7  Serial.begin(9600);
8  pinMode(lockPin, OUTPUT);
9  pinMode(unlockPin,  OUTPUT);
10 
11}
12void loop() {
13 
14  while (Serial.available())   //Check  if there is an available byte to read
15  {                            
16  delay(10);                   //Delay added to make thing stable
17  char c = Serial.read();      //Conduct a serial read
18  voice += c;                  //Shorthand for  voice = voice + c
19  } 
20
21  if (voice.length() > 0) {
22    Serial.println(voice);
23  if(voice == "door lock")//                             
24     {
25   
26     digitalWrite(lockPin,HIGH);
27     delay(3000);
28     digitalWrite(lockPin,LOW);
29    
30     }  
31  else if(voice == "door unlock")//                              
32     {
33    
34    digitalWrite(unlockPin,HIGH);
35     delay(3000);
36     digitalWrite(unlockPin,LOW);
37     }
38 voice="";                                                       //Reset  the variable after initiating
39  }}