Arduino Bluetooth Controlled Solar Smart Security for Home

This project help us to get our life easier. It will detect many things and show the alert on our device which can controlled by Bluetooth

Sep 8, 2022

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Devices & Components

Arduino Uno Rev3

5 mm LED: Red

Power Entry Connector, Tubular Connector Cable Assembly

Buzzer

Lead Acid Battery 6V

Resistor 1k ohm

High Brightness LED, White

Water Sensor

Solar Panel 6V

IR Sensor

Ultrasonic Sensor - HC-SR04 (Generic)

1N4007 – High Voltage, High Current Rated Diode

LDR, 5 Mohm

Capacitor 1000 µF

Software & Tools

Bluetooth Electronics

Arduino IDE

Project description

Code

c_cpp

1char dataIn = 'S';
2char determinant;
3char det;
4
5int irled  = 6;
6int irbuz = 9;
7int ir = 2;
8int tp = 13;
9int trig = 3;
10int echo  = 4;
11long duration;
12int distance;
13int ultraled = 7;
14int ultrabuz = 11;
15int  rainled = 5;
16int rainbuz = 8;
17const int ledPin = 12; 
18const int ldrPin  = A1;
19
20
21
22void setup() {
23      Serial.begin(9600);
24  Serial.println("Welcome");
25  delay(500);
26  Serial.println("Starting Smart Home System");
27  Serial.println("Made  By Krishna Team");
28  delay(2000);
29   pinMode(irled,OUTPUT);
30  pinMode(irbuz,OUTPUT);
31  pinMode(ir,INPUT);
32  pinMode(tp,OUTPUT);
33pinMode(trig, OUTPUT);
34pinMode(echo,  INPUT);
35
36
37pinMode(ultrabuz,OUTPUT);
38pinMode(ultraled,OUTPUT);
39pinMode(rainled  , OUTPUT);
40   pinMode(rainbuz , OUTPUT);
41     pinMode(ledPin, OUTPUT);  
42  pinMode(ldrPin, INPUT);  
43
44  
45}
46
47void loop() {
48 digitalWrite(trig,  LOW);
49    delayMicroseconds(5);
50    digitalWrite(trig, HIGH);
51    delayMicroseconds(10);
52    digitalWrite(trig, LOW);
53  
54    duration = pulseIn(echo, HIGH);
55    distance  = duration*0.034/2;
56     if( digitalRead( ldrPin ) == 1){
57      digitalWrite(  ledPin,HIGH);
58       }
59   else{
60      digitalWrite( ledPin , LOW);
61   }
62   
63       
64  det = check();
65    switch (det){
66      case 'A':  
67   if (digitalRead(ir)== LOW){
68    Serial.println("Alert Ir Detects Object");
69    digitalWrite(irled , HIGH);
70    digitalWrite(irbuz , HIGH);
71     delay(10);
72    }
73      else
74  digitalWrite(irled , LOW);
75    digitalWrite(irbuz ,  LOW);
76     delay(10);
77          
78det = check();
79    break;
80
81    case  'B':
82      digitalWrite(tp,LOW);
83      digitalWrite(irled , LOW);
84    digitalWrite(irbuz  , LOW);
85det = check();
86break;
87case 'C' :
88  if (digitalRead(ir)== LOW){
89    Serial.println("Alert Ir Detects Object");
90    digitalWrite(irled , LOW);
91    digitalWrite(irbuz , LOW);
92     delay(10);
93  }
94  else
95  digitalWrite(irled  , LOW);
96    digitalWrite(irbuz , LOW);
97     delay(10);
98     
99det = check();
100break;
101case  'D' :
102    if (digitalRead(ir)== LOW){
103    Serial.println("Alert Ir Detects  Object");
104    digitalWrite(irled , HIGH);
105    digitalWrite(irbuz , HIGH);
106     delay(10);
107    }
108      else
109  digitalWrite(irled , LOW);
110    digitalWrite(irbuz  , LOW);
111     delay(10);
112  det = check();  
113break;
114    case 'E':
115     if (distance <= 75){
116    Serial.print(distance);
117    Serial.println("cm  Extreme Risk ");
118 digitalWrite(ultraled , HIGH);
119 tone(ultrabuz,900);
120  delay(900);
121    digitalWrite(ultraled , LOW);
122  noTone(ultrabuz);
123  delay(900);  
124     }
125
126     else if (distance >= 76 && distance <=151){
127     Serial.print(distance);
128       Serial.println("cm  HIGH Risk");
129digitalWrite(ultraled , HIGH);
130  tone(ultrabuz,1400);
131  delay(1400);
132    digitalWrite(ultraled , LOW);
133  noTone(ultrabuz);
134  delay(1400);
135  }
136
137     else if (distance >= 152  && distance <=227){
138    Serial.print(distance);
139       Serial.println("cm  Medium Risk");
140      digitalWrite(ultraled , HIGH);
141  tone(ultrabuz,1500);
142  delay(2000);
143    digitalWrite(ultraled , LOW);
144  noTone(ultrabuz);
145  delay(2000);
146     }
147     
148     else if (distance >= 228 && distance <=300){
149    Serial.print(distance);
150       Serial.println("cm  Low Risk");
151      digitalWrite(ultraled , HIGH);
152  tone(ultrabuz,2000);
153  delay(3000);
154    digitalWrite(ultraled , LOW);
155  noTone(ultrabuz);
156  delay(3000);
157  }
158     else
159     digitalWrite(ultraled,LOW);
160     digitalWrite(ultrabuz,LOW);
161
162 det = check();
163    break;
164    
165    case 'F':
166   digitalWrite(ultraled,LOW);
167     digitalWrite(ultrabuz,LOW);
168
169Serial.print("");
170  det = check();
171    break;
172
173  case 'G':
174     if (distance <= 75){
175     Serial.println("Extreme Risk");
176   digitalWrite(ultraled,LOW);
177     digitalWrite(ultrabuz,LOW);
178  
179     }
180
181     else if (distance >= 76 && distance <=151){
182     Serial.println("HIGH  Risk");
183   digitalWrite(ultraled,LOW);
184     digitalWrite(ultrabuz,LOW);
185  }
186
187     else if (distance >= 152 && distance <=227){
188        Serial.println("Medium  Risk");
189   digitalWrite(ultraled,LOW);
190     digitalWrite(ultrabuz,LOW);
191
192     }
193
194    
195     else if (distance >= 228 && distance <=300){
196        Serial.println("Low  Risk");
197   digitalWrite(ultraled,LOW);
198     digitalWrite(ultrabuz,LOW);
199
200     }
201     else
202     digitalWrite(ultraled,LOW);
203     digitalWrite(ultrabuz,LOW);
204
205  det = check();
206    break;
207
208    case 'H': 
209        int value1=analogRead(A0);
210
211    if (value1<700){
212    Serial.println("Raining Outside");
213        digitalWrite(rainled  , HIGH);
214  tone(rainbuz,900);
215  delay(2000);
216    digitalWrite(rainled ,  LOW);
217  noTone(rainbuz);
218  delay(3000);
219   }
220
221  else
222   digitalWrite(rainled  , LOW);
223   digitalWrite(rainbuz , LOW);
224det = check();
225break;
226case 'I'  :
227   digitalWrite(rainled , LOW);
228   digitalWrite(rainbuz , LOW);
229det =  check();
230break;
231 
232    }
233}
234
235
236int check(){
237  if (Serial.available()  > 0){// if there is valid data in the serial port
238    dataIn = Serial.read();//  stores data into a varialbe
239if (dataIn == 'A'){//Forward
240      determinant  = 'A';
241    }
242    else if (dataIn == 'B'){//Backward
243      determinant =  'B';
244    }
245    else if (dataIn == 'C'){//Backward
246      determinant = 'C';
247    }
248    else if (dataIn == 'D'){//Backward
249      determinant = 'D';
250    }
251    else if (dataIn == 'E'){//Backward
252      determinant = 'E';
253    }
254    else if (dataIn == 'F'){//Backward
255      determinant = 'F';
256    }
257    else if (dataIn == 'G'){//Backward
258      determinant = 'G';
259    }
260    else if (dataIn == 'H'){//Backward
261      determinant = 'H';
262    }
263    else if (dataIn == 'I'){//Backward
264      determinant = 'I';
265    }
266    else if (dataIn == 'J'){//Backward
267      determinant = 'J';
268    }
269    else if (dataIn == 'K'){//Backward
270      determinant = 'K';
271    }
272    }
273  return determinant;
274}

char dataIn = 'S';
char determinant;
char det;

int irled  = 6;
int irbuz = 9;
int ir = 2;
int tp = 13;
int trig = 3;
int echo  = 4;
long duration;
int distance;
int ultraled = 7;
int ultrabuz = 11;
int  rainled = 5;
int rainbuz = 8;
const int ledPin = 12; 
const int ldrPin  = A1;



void setup() {
      Serial.begin(9600);
  Serial.println("Welcome");
  delay(500);
  Serial.println("Starting Smart Home System");
  Serial.println("Made  By Krishna Team");
  delay(2000);
   pinMode(irled,OUTPUT);
  pinMode(irbuz,OUTPUT);
  pinMode(ir,INPUT);
  pinMode(tp,OUTPUT);
pinMode(trig, OUTPUT);
pinMode(echo,  INPUT);


pinMode(ultrabuz,OUTPUT);
pinMode(ultraled,OUTPUT);
pinMode(rainled  , OUTPUT);
   pinMode(rainbuz , OUTPUT);
     pinMode(ledPin, OUTPUT);  
  pinMode(ldrPin, INPUT);  

  
}

void loop() {
 digitalWrite(trig,  LOW);
    delayMicroseconds(5);
    digitalWrite(trig, HIGH);
    delayMicroseconds(10);
    digitalWrite(trig, LOW);
  
    duration = pulseIn(echo, HIGH);
    distance  = duration*0.034/2;
     if( digitalRead( ldrPin ) == 1){
      digitalWrite(  ledPin,HIGH);
       }
   else{
      digitalWrite( ledPin , LOW);
   }
   
       
  det = check();
    switch (det){
      case 'A':  
   if (digitalRead(ir)== LOW){
    Serial.println("Alert Ir Detects Object");
    digitalWrite(irled , HIGH);
    digitalWrite(irbuz , HIGH);
     delay(10);
    }
      else
  digitalWrite(irled , LOW);
    digitalWrite(irbuz ,  LOW);
     delay(10);
          
det = check();
    break;

    case  'B':
      digitalWrite(tp,LOW);
      digitalWrite(irled , LOW);
    digitalWrite(irbuz  , LOW);
det = check();
break;
case 'C' :
  if (digitalRead(ir)== LOW){
    Serial.println("Alert Ir Detects Object");
    digitalWrite(irled , LOW);
    digitalWrite(irbuz , LOW);
     delay(10);
  }
  else
  digitalWrite(irled  , LOW);
    digitalWrite(irbuz , LOW);
     delay(10);
     
det = check();
break;
case  'D' :
    if (digitalRead(ir)== LOW){
    Serial.println("Alert Ir Detects  Object");
    digitalWrite(irled , HIGH);
    digitalWrite(irbuz , HIGH);
     delay(10);
    }
      else
  digitalWrite(irled , LOW);
    digitalWrite(irbuz  , LOW);
     delay(10);
  det = check();  
break;
    case 'E':
     if (distance <= 75){
    Serial.print(distance);
    Serial.println("cm  Extreme Risk ");
 digitalWrite(ultraled , HIGH);
 tone(ultrabuz,900);
  delay(900);
    digitalWrite(ultraled , LOW);
  noTone(ultrabuz);
  delay(900);  
     }

     else if (distance >= 76 && distance <=151){
     Serial.print(distance);
       Serial.println("cm  HIGH Risk");
digitalWrite(ultraled , HIGH);
  tone(ultrabuz,1400);
  delay(1400);
    digitalWrite(ultraled , LOW);
  noTone(ultrabuz);
  delay(1400);
  }

     else if (distance >= 152  && distance <=227){
    Serial.print(distance);
       Serial.println("cm  Medium Risk");
      digitalWrite(ultraled , HIGH);
  tone(ultrabuz,1500);
  delay(2000);
    digitalWrite(ultraled , LOW);
  noTone(ultrabuz);
  delay(2000);
     }
     
     else if (distance >= 228 && distance <=300){
    Serial.print(distance);
       Serial.println("cm  Low Risk");
      digitalWrite(ultraled , HIGH);
  tone(ultrabuz,2000);
  delay(3000);
    digitalWrite(ultraled , LOW);
  noTone(ultrabuz);
  delay(3000);
  }
     else
     digitalWrite(ultraled,LOW);
     digitalWrite(ultrabuz,LOW);

 det = check();
    break;
    
    case 'F':
   digitalWrite(ultraled,LOW);
     digitalWrite(ultrabuz,LOW);

Serial.print("");
  det = check();
    break;

  case 'G':
     if (distance <= 75){
     Serial.println("Extreme Risk");
   digitalWrite(ultraled,LOW);
     digitalWrite(ultrabuz,LOW);
  
     }

     else if (distance >= 76 && distance <=151){
     Serial.println("HIGH  Risk");
   digitalWrite(ultraled,LOW);
     digitalWrite(ultrabuz,LOW);
  }

     else if (distance >= 152 && distance <=227){
        Serial.println("Medium  Risk");
   digitalWrite(ultraled,LOW);
     digitalWrite(ultrabuz,LOW);

     }

    
     else if (distance >= 228 && distance <=300){
        Serial.println("Low  Risk");
   digitalWrite(ultraled,LOW);
     digitalWrite(ultrabuz,LOW);

     }
     else
     digitalWrite(ultraled,LOW);
     digitalWrite(ultrabuz,LOW);

  det = check();
    break;

    case 'H': 
        int value1=analogRead(A0);

    if (value1<700){
    Serial.println("Raining Outside");
        digitalWrite(rainled  , HIGH);
  tone(rainbuz,900);
  delay(2000);
    digitalWrite(rainled ,  LOW);
  noTone(rainbuz);
  delay(3000);
   }

  else
   digitalWrite(rainled  , LOW);
   digitalWrite(rainbuz , LOW);
det = check();
break;
case 'I'  :
   digitalWrite(rainled , LOW);
   digitalWrite(rainbuz , LOW);
det =  check();
break;
 
    }
}


int check(){
  if (Serial.available()  > 0){// if there is valid data in the serial port
    dataIn = Serial.read();//  stores data into a varialbe
if (dataIn == 'A'){//Forward
      determinant  = 'A';
    }
    else if (dataIn == 'B'){//Backward
      determinant =  'B';
    }
    else if (dataIn == 'C'){//Backward
      determinant = 'C';
    }
    else if (dataIn == 'D'){//Backward
      determinant = 'D';
    }
    else if (dataIn == 'E'){//Backward
      determinant = 'E';
    }
    else if (dataIn == 'F'){//Backward
      determinant = 'F';
    }
    else if (dataIn == 'G'){//Backward
      determinant = 'G';
    }
    else if (dataIn == 'H'){//Backward
      determinant = 'H';
    }
    else if (dataIn == 'I'){//Backward
      determinant = 'I';
    }
    else if (dataIn == 'J'){//Backward
      determinant = 'J';
    }
    else if (dataIn == 'K'){//Backward
      determinant = 'K';
    }
    }
  return determinant;
}

Downloadable files

Circuit Diagram

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