Voice Controlled Home Automation

In this project we can control a device by voice commands over Android APP. We use a Arduino MEGA board, but you can use any Arduino board.

Oct 13, 2016

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3 respects

voice control

bluetooth

home automation

Components and supplies

Relay (generic)

Jumper wires (generic)

Arduino Mega 2560

HC-06 Bluetooth Module

Apps and platforms

Android App

Project description

Code

Voice controlled

arduino

1
2String readString;
3void setup() {
4  // put your setup code here,  to run once:
5Serial.begin(9600);
6pinMode(13, OUTPUT);
7}
8
9void loop()  {
10  // put your main code here, to run repeatedly:
11while(Serial.available()){
12  delay(3);
13  char c = Serial.read();
14  readString+=c;
15}
16
17if(readString.length()  >0)
18{
19  Serial.println(readString);
20  if(readString == "11")
21  {
22  digitalWrite(13, HIGH);
23  }
24 else if(readString == "12")
25  {
26  digitalWrite(13,  LOW);
27  }
28   else if(readString == "21")
29  {
30  digitalWrite(12, HIGH);
31  }
32   else if(readString == "22")
33  {
34  digitalWrite(12, LOW);
35  }
36  readString = "";
37}
38}
39

String readString;
void setup() {
  // put your setup code here,  to run once:
Serial.begin(9600);
pinMode(13, OUTPUT);
}

void loop()  {
  // put your main code here, to run repeatedly:
while(Serial.available()){
  delay(3);
  char c = Serial.read();
  readString+=c;
}

if(readString.length()  >0)
{
  Serial.println(readString);
  if(readString == "11")
  {
  digitalWrite(13, HIGH);
  }
 else if(readString == "12")
  {
  digitalWrite(13,  LOW);
  }
   else if(readString == "21")
  {
  digitalWrite(12, HIGH);
  }
   else if(readString == "22")
  {
  digitalWrite(12, LOW);
  }
  readString = "";
}
}

Voice controlled

arduino

1
2String readString;
3void setup() {
4  // put your setup code here,
5  to run once:
6Serial.begin(9600);
7pinMode(13, OUTPUT);
8}
9
10void loop()
11  {
12  // put your main code here, to run repeatedly:
13while(Serial.available()){
14
15  delay(3);
16  char c = Serial.read();
17  readString+=c;
18}
19
20if(readString.length()
21  >0)
22{
23  Serial.println(readString);
24  if(readString == "11")
25  {
26
27  digitalWrite(13, HIGH);
28  }
29 else if(readString == "12")
30  {
31  digitalWrite(13,
32  LOW);
33  }
34   else if(readString == "21")
35  {
36  digitalWrite(12, HIGH);
37
38  }
39   else if(readString == "22")
40  {
41  digitalWrite(12, LOW);
42  }
43
44  readString = "";
45}
46}
47

String readString;
void setup() {
  // put your setup code here,
  to run once:
Serial.begin(9600);
pinMode(13, OUTPUT);
}

void loop()
  {
  // put your main code here, to run repeatedly:
while(Serial.available()){

  delay(3);
  char c = Serial.read();
  readString+=c;
}

if(readString.length()
  >0)
{
  Serial.println(readString);
  if(readString == "11")
  {

  digitalWrite(13, HIGH);
  }
 else if(readString == "12")
  {
  digitalWrite(13,
  LOW);
  }
   else if(readString == "21")
  {
  digitalWrite(12, HIGH);

  }
   else if(readString == "22")
  {
  digitalWrite(12, LOW);
  }

  readString = "";
}
}

Downloadable files

Voice controlled Ckt

I Connected 2 leds on PIn no 12 & 13 . You can connect 2 relays and control any appliances using this code. By modifing the code you can add any number of devices as per ur requirement.

Voice controlled Ckt

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