Home Automation Device

Home Automation Device using GSM Module

May 17, 2021

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energy efficiency

home automation

communication

Components and supplies

Jumper wires (generic)

Relay Module (Generic)

Hologram Global IoT SIM Card

Single Turn Potentiometer- 10k ohms

Android device

12v 1 amp DC Adapter

GSM SIM 900

Arduino Nano R3

Resistor 330 ohm

Alphanumeric LCD, 16 x 2

Tools and machines

Hot glue gun (generic)

Apps and platforms

Arduino IDE

Project description

Code

arduino

1// https://www.youtube.com/channel/UCaXI2PcsTlH5g0et67kdD6g  //
2//
3  Home Automation Device using GSM Module //
4// By MOHD SOHAIL //
5
6
7#include<LiquidCrystal.h>
8LiquidCrystal
9  lcd(A0,A1,A2,A3,A4,A5);
10#define Fan 3
11#define Light 4
12#define TV 5
13
14int
15  temp=0,i=0;
16int led=13;
17char str[15];
18void setup()
19{
20  lcd.begin(16,2);
21
22  Serial.begin(9600);
23  pinMode(led, OUTPUT);
24  pinMode(Fan, OUTPUT);
25
26  pinMode(Light, OUTPUT);
27  pinMode(TV, OUTPUT);
28  
29  lcd.setCursor(0,0);
30
31  lcd.print("  GSM Based  ");
32  lcd.setCursor(0,1);
33  lcd.print("Home Automation");
34
35  delay(2000);
36  lcd.clear();
37  lcd.print(" EIF - SOHAIL ");
38  delay(1000);
39
40  lcd.setCursor(0,1);
41  lcd.print("System Ready");
42  Serial.println("AT+CNMI=2,2,0,0,0");
43  // Auto opened message Receiving.
44  delay(500);
45  Serial.println("AT+CMGF=1");
46  //Selecting Text mode
47  delay(1000);
48  lcd.clear();
49  lcd.setCursor(0,0);
50
51  lcd.print("Fan   Light  TV ");
52  lcd.setCursor(0,1);
53  lcd.print("OFF
54    OFF   OFF "); 
55}
56void loop()
57{
58  lcd.setCursor(0,0);
59  lcd.print("Fan
60   Light  TV");
61  serialEvent();
62  if(temp==1)
63  {
64    check();
65
66    temp=0;
67    i=0;
68    delay(1000);
69  }
70}
71 void serialEvent() 
72
73  {
74  while(Serial.available()) 
75  {
76    if(Serial.find("#S."))
77    {
78
79      digitalWrite(led, HIGH);
80      delay(1000);
81      digitalWrite(led,
82  LOW);
83      while (Serial.available()) 
84      {
85      char inChar=Serial.read();
86
87      str[i++]=inChar;
88      if(inChar=='*')
89      {
90        temp=1;
91
92        return;
93      } 
94      } 
95    }
96   }
97 }
98void check()
99{
100
101   if(!(strncmp(str,"tv on",5)))
102    {
103      digitalWrite(TV, HIGH);
104
105      lcd.setCursor(13,1); 
106      lcd.print("ON    ");
107      delay(200);
108
109    }  
110   
111   else if(!(strncmp(str,"tv off",6)))
112    {
113      digitalWrite(TV,
114  LOW);
115      lcd.setCursor(13,1); 
116      lcd.print("OFF    ");
117      delay(200);
118
119    }
120  
121    else if(!(strncmp(str,"fan on",5)))
122    {
123      digitalWrite(Fan,
124  HIGH);
125      lcd.setCursor(0,1); 
126      lcd.print("ON   ");
127      delay(200);
128
129    }
130 
131    else if(!(strncmp(str,"fan off",7)))
132    {
133      digitalWrite(Fan,
134  LOW);
135      lcd.setCursor(0,1); 
136      lcd.print("OFF    ");
137      delay(200);
138
139    }
140 
141    else if(!(strncmp(str,"light on",8)))
142    {
143      digitalWrite(Light,
144  HIGH);
145      lcd.setCursor(7,1); 
146      lcd.print("ON    ");
147      delay(200);
148
149    }
150 
151    else if(!(strncmp(str,"light off",9)))
152    {
153      digitalWrite(Light,
154  LOW);
155      lcd.setCursor(7,1); 
156      lcd.print("OFF    ");
157      delay(200);
158
159    } 
160    
161    else if(!(strncmp(str,"all on",6)))
162    {
163      digitalWrite(Light,
164  HIGH);
165      digitalWrite(Fan, HIGH);
166      digitalWrite(TV, HIGH);
167      lcd.setCursor(0,1);
168  
169      lcd.print("ON     ON    ON  ");
170      delay(200);
171    }
172 
173
174    else if(!(strncmp(str,"all off",7)))
175    {
176      digitalWrite(Light,
177  LOW);
178      digitalWrite(Fan, LOW);
179      digitalWrite(TV, LOW);
180      lcd.setCursor(0,1);
181  
182      lcd.print("OFF   OFF    OFF  ");
183      delay(200);
184    }
185    }
186

// https://www.youtube.com/channel/UCaXI2PcsTlH5g0et67kdD6g  //
//
  Home Automation Device using GSM Module //
// By MOHD SOHAIL //


#include<LiquidCrystal.h>
LiquidCrystal
  lcd(A0,A1,A2,A3,A4,A5);
#define Fan 3
#define Light 4
#define TV 5

int
  temp=0,i=0;
int led=13;
char str[15];
void setup()
{
  lcd.begin(16,2);

  Serial.begin(9600);
  pinMode(led, OUTPUT);
  pinMode(Fan, OUTPUT);

  pinMode(Light, OUTPUT);
  pinMode(TV, OUTPUT);
  
  lcd.setCursor(0,0);

  lcd.print("  GSM Based  ");
  lcd.setCursor(0,1);
  lcd.print("Home Automation");

  delay(2000);
  lcd.clear();
  lcd.print(" EIF - SOHAIL ");
  delay(1000);

  lcd.setCursor(0,1);
  lcd.print("System Ready");
  Serial.println("AT+CNMI=2,2,0,0,0");
  // Auto opened message Receiving.
  delay(500);
  Serial.println("AT+CMGF=1");
  //Selecting Text mode
  delay(1000);
  lcd.clear();
  lcd.setCursor(0,0);

  lcd.print("Fan   Light  TV ");
  lcd.setCursor(0,1);
  lcd.print("OFF
    OFF   OFF "); 
}
void loop()
{
  lcd.setCursor(0,0);
  lcd.print("Fan
   Light  TV");
  serialEvent();
  if(temp==1)
  {
    check();

    temp=0;
    i=0;
    delay(1000);
  }
}
 void serialEvent() 

  {
  while(Serial.available()) 
  {
    if(Serial.find("#S."))
    {

      digitalWrite(led, HIGH);
      delay(1000);
      digitalWrite(led,
  LOW);
      while (Serial.available()) 
      {
      char inChar=Serial.read();

      str[i++]=inChar;
      if(inChar=='*')
      {
        temp=1;

        return;
      } 
      } 
    }
   }
 }
void check()
{

   if(!(strncmp(str,"tv on",5)))
    {
      digitalWrite(TV, HIGH);

      lcd.setCursor(13,1); 
      lcd.print("ON    ");
      delay(200);

    }  
   
   else if(!(strncmp(str,"tv off",6)))
    {
      digitalWrite(TV,
  LOW);
      lcd.setCursor(13,1); 
      lcd.print("OFF    ");
      delay(200);

    }
  
    else if(!(strncmp(str,"fan on",5)))
    {
      digitalWrite(Fan,
  HIGH);
      lcd.setCursor(0,1); 
      lcd.print("ON   ");
      delay(200);

    }
 
    else if(!(strncmp(str,"fan off",7)))
    {
      digitalWrite(Fan,
  LOW);
      lcd.setCursor(0,1); 
      lcd.print("OFF    ");
      delay(200);

    }
 
    else if(!(strncmp(str,"light on",8)))
    {
      digitalWrite(Light,
  HIGH);
      lcd.setCursor(7,1); 
      lcd.print("ON    ");
      delay(200);

    }
 
    else if(!(strncmp(str,"light off",9)))
    {
      digitalWrite(Light,
  LOW);
      lcd.setCursor(7,1); 
      lcd.print("OFF    ");
      delay(200);

    } 
    
    else if(!(strncmp(str,"all on",6)))
    {
      digitalWrite(Light,
  HIGH);
      digitalWrite(Fan, HIGH);
      digitalWrite(TV, HIGH);
      lcd.setCursor(0,1);
  
      lcd.print("ON     ON    ON  ");
      delay(200);
    }
 

    else if(!(strncmp(str,"all off",7)))
    {
      digitalWrite(Light,
  LOW);
      digitalWrite(Fan, LOW);
      digitalWrite(TV, LOW);
      lcd.setCursor(0,1);
  
      lcd.print("OFF   OFF    OFF  ");
      delay(200);
    }
    }

Code

arduino

1// https://www.youtube.com/channel/UCaXI2PcsTlH5g0et67kdD6g  //
2//  Home Automation Device using GSM Module //
3// By MOHD SOHAIL //
4
5
6#include<LiquidCrystal.h>
7LiquidCrystal  lcd(A0,A1,A2,A3,A4,A5);
8#define Fan 3
9#define Light 4
10#define TV 5
11
12int  temp=0,i=0;
13int led=13;
14char str[15];
15void setup()
16{
17  lcd.begin(16,2);
18  Serial.begin(9600);
19  pinMode(led, OUTPUT);
20  pinMode(Fan, OUTPUT);
21  pinMode(Light, OUTPUT);
22  pinMode(TV, OUTPUT);
23  
24  lcd.setCursor(0,0);
25  lcd.print("  GSM Based  ");
26  lcd.setCursor(0,1);
27  lcd.print("Home Automation");
28  delay(2000);
29  lcd.clear();
30  lcd.print(" EIF - SOHAIL ");
31  delay(1000);
32  lcd.setCursor(0,1);
33  lcd.print("System Ready");
34  Serial.println("AT+CNMI=2,2,0,0,0");  // Auto opened message Receiving.
35  delay(500);
36  Serial.println("AT+CMGF=1");  //Selecting Text mode
37  delay(1000);
38  lcd.clear();
39  lcd.setCursor(0,0);
40  lcd.print("Fan   Light  TV ");
41  lcd.setCursor(0,1);
42  lcd.print("OFF    OFF   OFF "); 
43}
44void loop()
45{
46  lcd.setCursor(0,0);
47  lcd.print("Fan   Light  TV");
48  serialEvent();
49  if(temp==1)
50  {
51    check();
52    temp=0;
53    i=0;
54    delay(1000);
55  }
56}
57 void serialEvent() 
58  {
59  while(Serial.available()) 
60  {
61    if(Serial.find("#S."))
62    {
63      digitalWrite(led, HIGH);
64      delay(1000);
65      digitalWrite(led,  LOW);
66      while (Serial.available()) 
67      {
68      char inChar=Serial.read();
69      str[i++]=inChar;
70      if(inChar=='*')
71      {
72        temp=1;
73        return;
74      } 
75      } 
76    }
77   }
78 }
79void check()
80{
81   if(!(strncmp(str,"tv on",5)))
82    {
83      digitalWrite(TV, HIGH);
84      lcd.setCursor(13,1); 
85      lcd.print("ON    ");
86      delay(200);
87    }  
88   
89   else if(!(strncmp(str,"tv off",6)))
90    {
91      digitalWrite(TV,  LOW);
92      lcd.setCursor(13,1); 
93      lcd.print("OFF    ");
94      delay(200);
95    }
96  
97    else if(!(strncmp(str,"fan on",5)))
98    {
99      digitalWrite(Fan,  HIGH);
100      lcd.setCursor(0,1); 
101      lcd.print("ON   ");
102      delay(200);
103    }
104 
105    else if(!(strncmp(str,"fan off",7)))
106    {
107      digitalWrite(Fan,  LOW);
108      lcd.setCursor(0,1); 
109      lcd.print("OFF    ");
110      delay(200);
111    }
112 
113    else if(!(strncmp(str,"light on",8)))
114    {
115      digitalWrite(Light,  HIGH);
116      lcd.setCursor(7,1); 
117      lcd.print("ON    ");
118      delay(200);
119    }
120 
121    else if(!(strncmp(str,"light off",9)))
122    {
123      digitalWrite(Light,  LOW);
124      lcd.setCursor(7,1); 
125      lcd.print("OFF    ");
126      delay(200);
127    } 
128    
129    else if(!(strncmp(str,"all on",6)))
130    {
131      digitalWrite(Light,  HIGH);
132      digitalWrite(Fan, HIGH);
133      digitalWrite(TV, HIGH);
134      lcd.setCursor(0,1);  
135      lcd.print("ON     ON    ON  ");
136      delay(200);
137    }
138 
139    else if(!(strncmp(str,"all off",7)))
140    {
141      digitalWrite(Light,  LOW);
142      digitalWrite(Fan, LOW);
143      digitalWrite(TV, LOW);
144      lcd.setCursor(0,1);  
145      lcd.print("OFF   OFF    OFF  ");
146      delay(200);
147    }
148    }
149

// https://www.youtube.com/channel/UCaXI2PcsTlH5g0et67kdD6g  //
//  Home Automation Device using GSM Module //
// By MOHD SOHAIL //


#include<LiquidCrystal.h>
LiquidCrystal  lcd(A0,A1,A2,A3,A4,A5);
#define Fan 3
#define Light 4
#define TV 5

int  temp=0,i=0;
int led=13;
char str[15];
void setup()
{
  lcd.begin(16,2);
  Serial.begin(9600);
  pinMode(led, OUTPUT);
  pinMode(Fan, OUTPUT);
  pinMode(Light, OUTPUT);
  pinMode(TV, OUTPUT);
  
  lcd.setCursor(0,0);
  lcd.print("  GSM Based  ");
  lcd.setCursor(0,1);
  lcd.print("Home Automation");
  delay(2000);
  lcd.clear();
  lcd.print(" EIF - SOHAIL ");
  delay(1000);
  lcd.setCursor(0,1);
  lcd.print("System Ready");
  Serial.println("AT+CNMI=2,2,0,0,0");  // Auto opened message Receiving.
  delay(500);
  Serial.println("AT+CMGF=1");  //Selecting Text mode
  delay(1000);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Fan   Light  TV ");
  lcd.setCursor(0,1);
  lcd.print("OFF    OFF   OFF "); 
}
void loop()
{
  lcd.setCursor(0,0);
  lcd.print("Fan   Light  TV");
  serialEvent();
  if(temp==1)
  {
    check();
    temp=0;
    i=0;
    delay(1000);
  }
}
 void serialEvent() 
  {
  while(Serial.available()) 
  {
    if(Serial.find("#S."))
    {
      digitalWrite(led, HIGH);
      delay(1000);
      digitalWrite(led,  LOW);
      while (Serial.available()) 
      {
      char inChar=Serial.read();
      str[i++]=inChar;
      if(inChar=='*')
      {
        temp=1;
        return;
      } 
      } 
    }
   }
 }
void check()
{
   if(!(strncmp(str,"tv on",5)))
    {
      digitalWrite(TV, HIGH);
      lcd.setCursor(13,1); 
      lcd.print("ON    ");
      delay(200);
    }  
   
   else if(!(strncmp(str,"tv off",6)))
    {
      digitalWrite(TV,  LOW);
      lcd.setCursor(13,1); 
      lcd.print("OFF    ");
      delay(200);
    }
  
    else if(!(strncmp(str,"fan on",5)))
    {
      digitalWrite(Fan,  HIGH);
      lcd.setCursor(0,1); 
      lcd.print("ON   ");
      delay(200);
    }
 
    else if(!(strncmp(str,"fan off",7)))
    {
      digitalWrite(Fan,  LOW);
      lcd.setCursor(0,1); 
      lcd.print("OFF    ");
      delay(200);
    }
 
    else if(!(strncmp(str,"light on",8)))
    {
      digitalWrite(Light,  HIGH);
      lcd.setCursor(7,1); 
      lcd.print("ON    ");
      delay(200);
    }
 
    else if(!(strncmp(str,"light off",9)))
    {
      digitalWrite(Light,  LOW);
      lcd.setCursor(7,1); 
      lcd.print("OFF    ");
      delay(200);
    } 
    
    else if(!(strncmp(str,"all on",6)))
    {
      digitalWrite(Light,  HIGH);
      digitalWrite(Fan, HIGH);
      digitalWrite(TV, HIGH);
      lcd.setCursor(0,1);  
      lcd.print("ON     ON    ON  ");
      delay(200);
    }
 
    else if(!(strncmp(str,"all off",7)))
    {
      digitalWrite(Light,  LOW);
      digitalWrite(Fan, LOW);
      digitalWrite(TV, LOW);
      lcd.setCursor(0,1);  
      lcd.print("OFF   OFF    OFF  ");
      delay(200);
    }
    }

Downloadable files

Operation Table

Circuit Diagram

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