Power extension comanded per Bluetooth®

An extension of power that can turn on / off any appliance connected to it through Bluetooth® communication. Using recyclable material.

May 16, 2019

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34 respects

Components and supplies

Phone Charger 5V

Jumper wires (generic)

5 mm LED: Green

Relay Module four Channel

Arduino Nano R3

5 mm LED: Red

HC-05 Bluetooth Module

Tools and machines

Solder Dispenser, Solder-Mate

Tape, Electrical Insulation

Plier, Long Nose

Soldering iron (generic)

Plier, Needle Nose

Apps and platforms

MIT App Inventor

Project description

Code

Code of the power extension

arduino

1#include <SoftwareSerial.h>
2#define GERAL 9
3#define T1 12 
4#define   T2 11
5#define T3 10
6#define LEDGERAL 8
7#define LEDT1 7
8#define LEDT2   6
9#define LEDT3 5
10SoftwareSerial bluetooth(4,3);
11
12char comando;
13
14void   setup() {
15    bluetooth.begin(9600);
16    for(int i=5;i<=12;i++)
17    {
18       pinMode(i,OUTPUT); 
19    }
20     digitalWrite(GERAL,HIGH);
21     digitalWrite(T1,HIGH);
22      digitalWrite(T2,HIGH);
23     digitalWrite(T3,HIGH);   
24
25}
26
27void   loop() {
28  if(bluetooth.available()>0){
29
30    comando = bluetooth.read();
31     // Rele Geral
32    if(comando == 'A')
33    {
34     digitalWrite(GERAL,LOW);
35      digitalWrite(LEDGERAL,HIGH);
36    }
37    if(comando == 'a')
38    {
39       digitalWrite(GERAL,HIGH);
40      digitalWrite(LEDGERAL,LOW);
41      digitalWrite(T1,HIGH);
42       digitalWrite(LEDT1,LOW);
43      digitalWrite(T2,HIGH);
44      digitalWrite(LEDT2,LOW);
45       digitalWrite(T3,HIGH);
46      digitalWrite(LEDT3,LOW);
47    }
48    
49     //Tomada 1
50     if(comando == 'B')
51    {
52     digitalWrite(T1,LOW);
53      digitalWrite(LEDT1,HIGH);
54    }
55    if(comando == 'b')
56    {
57      digitalWrite(T1,HIGH);
58       digitalWrite(LEDT1,LOW);
59    }
60
61     //Tomada 2
62     if(comando   == 'C')
63    {
64     digitalWrite(T2,LOW);
65     digitalWrite(LEDT2,HIGH);
66     }
67    if(comando == 'c')
68    {
69      digitalWrite(T2,HIGH);
70      digitalWrite(LEDT2,LOW);
71     }
72
73
74    //Tomada 3
75     if(comando == 'D')
76    {
77     digitalWrite(T3,LOW);
78      digitalWrite(LEDT3,HIGH);
79    }
80    if(comando == 'd')
81    {
82      digitalWrite(T3,HIGH);
83       digitalWrite(LEDT3,LOW);
84    }
85   
86  }
87}
88

#include <SoftwareSerial.h>
#define GERAL 9
#define T1 12 
#define   T2 11
#define T3 10
#define LEDGERAL 8
#define LEDT1 7
#define LEDT2   6
#define LEDT3 5
SoftwareSerial bluetooth(4,3);

char comando;

void   setup() {
    bluetooth.begin(9600);
    for(int i=5;i<=12;i++)
    {
       pinMode(i,OUTPUT); 
    }
     digitalWrite(GERAL,HIGH);
     digitalWrite(T1,HIGH);
      digitalWrite(T2,HIGH);
     digitalWrite(T3,HIGH);   

}

void   loop() {
  if(bluetooth.available()>0){

    comando = bluetooth.read();
     // Rele Geral
    if(comando == 'A')
    {
     digitalWrite(GERAL,LOW);
      digitalWrite(LEDGERAL,HIGH);
    }
    if(comando == 'a')
    {
       digitalWrite(GERAL,HIGH);
      digitalWrite(LEDGERAL,LOW);
      digitalWrite(T1,HIGH);
       digitalWrite(LEDT1,LOW);
      digitalWrite(T2,HIGH);
      digitalWrite(LEDT2,LOW);
       digitalWrite(T3,HIGH);
      digitalWrite(LEDT3,LOW);
    }
    
     //Tomada 1
     if(comando == 'B')
    {
     digitalWrite(T1,LOW);
      digitalWrite(LEDT1,HIGH);
    }
    if(comando == 'b')
    {
      digitalWrite(T1,HIGH);
       digitalWrite(LEDT1,LOW);
    }

     //Tomada 2
     if(comando   == 'C')
    {
     digitalWrite(T2,LOW);
     digitalWrite(LEDT2,HIGH);
     }
    if(comando == 'c')
    {
      digitalWrite(T2,HIGH);
      digitalWrite(LEDT2,LOW);
     }


    //Tomada 3
     if(comando == 'D')
    {
     digitalWrite(T3,LOW);
      digitalWrite(LEDT3,HIGH);
    }
    if(comando == 'd')
    {
      digitalWrite(T3,HIGH);
       digitalWrite(LEDT3,LOW);
    }
   
  }
}

Code of the power extension

arduino

1#include <SoftwareSerial.h>
2#define GERAL 9
3#define T1 12 
4#define  T2 11
5#define T3 10
6#define LEDGERAL 8
7#define LEDT1 7
8#define LEDT2  6
9#define LEDT3 5
10SoftwareSerial bluetooth(4,3);
11
12char comando;
13
14void  setup() {
15    bluetooth.begin(9600);
16    for(int i=5;i<=12;i++)
17    {
18      pinMode(i,OUTPUT); 
19    }
20     digitalWrite(GERAL,HIGH);
21     digitalWrite(T1,HIGH);
22     digitalWrite(T2,HIGH);
23     digitalWrite(T3,HIGH);   
24
25}
26
27void  loop() {
28  if(bluetooth.available()>0){
29
30    comando = bluetooth.read();
31    // Rele Geral
32    if(comando == 'A')
33    {
34     digitalWrite(GERAL,LOW);
35     digitalWrite(LEDGERAL,HIGH);
36    }
37    if(comando == 'a')
38    {
39      digitalWrite(GERAL,HIGH);
40      digitalWrite(LEDGERAL,LOW);
41      digitalWrite(T1,HIGH);
42      digitalWrite(LEDT1,LOW);
43      digitalWrite(T2,HIGH);
44      digitalWrite(LEDT2,LOW);
45      digitalWrite(T3,HIGH);
46      digitalWrite(LEDT3,LOW);
47    }
48    
49    //Tomada 1
50     if(comando == 'B')
51    {
52     digitalWrite(T1,LOW);
53     digitalWrite(LEDT1,HIGH);
54    }
55    if(comando == 'b')
56    {
57      digitalWrite(T1,HIGH);
58      digitalWrite(LEDT1,LOW);
59    }
60
61     //Tomada 2
62     if(comando  == 'C')
63    {
64     digitalWrite(T2,LOW);
65     digitalWrite(LEDT2,HIGH);
66    }
67    if(comando == 'c')
68    {
69      digitalWrite(T2,HIGH);
70      digitalWrite(LEDT2,LOW);
71    }
72
73
74    //Tomada 3
75     if(comando == 'D')
76    {
77     digitalWrite(T3,LOW);
78     digitalWrite(LEDT3,HIGH);
79    }
80    if(comando == 'd')
81    {
82      digitalWrite(T3,HIGH);
83      digitalWrite(LEDT3,LOW);
84    }
85   
86  }
87}
88

#include <SoftwareSerial.h>
#define GERAL 9
#define T1 12 
#define  T2 11
#define T3 10
#define LEDGERAL 8
#define LEDT1 7
#define LEDT2  6
#define LEDT3 5
SoftwareSerial bluetooth(4,3);

char comando;

void  setup() {
    bluetooth.begin(9600);
    for(int i=5;i<=12;i++)
    {
      pinMode(i,OUTPUT); 
    }
     digitalWrite(GERAL,HIGH);
     digitalWrite(T1,HIGH);
     digitalWrite(T2,HIGH);
     digitalWrite(T3,HIGH);   

}

void  loop() {
  if(bluetooth.available()>0){

    comando = bluetooth.read();
    // Rele Geral
    if(comando == 'A')
    {
     digitalWrite(GERAL,LOW);
     digitalWrite(LEDGERAL,HIGH);
    }
    if(comando == 'a')
    {
      digitalWrite(GERAL,HIGH);
      digitalWrite(LEDGERAL,LOW);
      digitalWrite(T1,HIGH);
      digitalWrite(LEDT1,LOW);
      digitalWrite(T2,HIGH);
      digitalWrite(LEDT2,LOW);
      digitalWrite(T3,HIGH);
      digitalWrite(LEDT3,LOW);
    }
    
    //Tomada 1
     if(comando == 'B')
    {
     digitalWrite(T1,LOW);
     digitalWrite(LEDT1,HIGH);
    }
    if(comando == 'b')
    {
      digitalWrite(T1,HIGH);
      digitalWrite(LEDT1,LOW);
    }

     //Tomada 2
     if(comando  == 'C')
    {
     digitalWrite(T2,LOW);
     digitalWrite(LEDT2,HIGH);
    }
    if(comando == 'c')
    {
      digitalWrite(T2,HIGH);
      digitalWrite(LEDT2,LOW);
    }


    //Tomada 3
     if(comando == 'D')
    {
     digitalWrite(T3,LOW);
     digitalWrite(LEDT3,HIGH);
    }
    if(comando == 'd')
    {
      digitalWrite(T3,HIGH);
      digitalWrite(LEDT3,LOW);
    }
   
  }
}

Downloadable files

Schematic of the extension of energy

Wiring diagram

Wiring diagram of the project of extension of energy with bluetooth

Wiring diagram

Schematic of the extension of energy

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