Control sound using bluetooth

1/*Bluetooth buzzer
2 * Created on 2 febraury,2021
3 * by zayed alam
4
5  * Hi guys,
6 * I am gonna show you how to control sounds using android app.It
7  is a very simple
8 * and fun project.This works like this:Go to the google play
9  store.Search for"
10 * Smart Bluetooth" and there will be a bluetooth logo.Install
11  it.Then turn on 
12 * your bluetooth,Then click on "Search".After sometime after
13  searching,you will
14 * find "HC-05" and that is our bluetooth module.click on
15  it.Then it will ask to 
16 * Select a theme by holding on the any of the two options.Then
17  after it has
18 * conected,on the top right corner,there will be a settings sign.Click
19  on it.
20 * Then a drop down box shows.Then click on terminal.Then if you type
21  'a',you 
22 * will hear a sound by the buzzer.That means it is working.You will
23  figure 
24 * something on my code like"if(data=='e'){"That means if you type
25  'e' key,
26 * it will create a sound from the buzzer.You can also edit the keys
27  or create
28 * a new condition like if we type this key,it will make this sound.
29
30  * 
31 * That's all of that.For more stffs like schematics and what are the materials
32
33  * you have to gather,go to:https://create.arduino.cc/projecthub/zayedalam/control-sound-using-bluetooth-a670ee
34
35  */
36
37char data = '5'; //Variable for storing received data  
38const int buzzer=2;//Buzzers
39  pin
40
41void setup() {
42  // put your setup code here, to run once:
43    Serial.begin(9600);
44  //Sets the baud for serial data transmission 
45    pinMode(buzzer,OUTPUT);//defining
46  the buzzer                    
47
48}
49
50void loop() {
51  // put your main
52  code here, to run repeatedly:
53  if(Serial.available() > 0)  // Send data only
54  when you receive data:  
55   {  
56      data = Serial.read();
57
58       if(data=='a'){//If
59  you will type 'a',
60        tone(buzzer,1000);//make a sound
61        delay(20);
62
63        noTone(buzzer);
64        
65       }
66       if (data=='b'){//If you
67  will type 'b',
68        tone(buzzer,100);//Make a sound
69        delay(20);
70
71        noTone(buzzer);
72       }
73if(data=='c'){//if you will type c
74  tone(buzzer,90);//Make
75  a sound
76  delay(20);
77  noTone(buzzer);
78}
79if (data=='d'){
80  tone(buzzer,345);
81
82  delay(20);
83  noTone(buzzer);
84}
85if(data=='e'){
86  tone(buzzer,10);
87
88  delay(20);
89  noTone(buzzer);
90}
91   }
92}
93  
94

1/*Bluetooth buzzer
2 * Created on 2 febraury,2021
3 * by zayed alam
4  * Hi guys,
5 * I am gonna show you how to control sounds using android app.It  is a very simple
6 * and fun project.This works like this:Go to the google play  store.Search for"
7 * Smart Bluetooth" and there will be a bluetooth logo.Install  it.Then turn on 
8 * your bluetooth,Then click on "Search".After sometime after  searching,you will
9 * find "HC-05" and that is our bluetooth module.click on  it.Then it will ask to 
10 * Select a theme by holding on the any of the two options.Then  after it has
11 * conected,on the top right corner,there will be a settings sign.Click  on it.
12 * Then a drop down box shows.Then click on terminal.Then if you type  'a',you 
13 * will hear a sound by the buzzer.That means it is working.You will  figure 
14 * something on my code like"if(data=='e'){"That means if you type  'e' key,
15 * it will create a sound from the buzzer.You can also edit the keys  or create
16 * a new condition like if we type this key,it will make this sound.
17  * 
18 * That's all of that.For more stffs like schematics and what are the materials
19  * you have to gather,go to:https://create.arduino.cc/projecthub/zayedalam/control-sound-using-bluetooth-a670ee
20  */
21
22char data = '5'; //Variable for storing received data  
23const int buzzer=2;//Buzzers  pin
24
25void setup() {
26  // put your setup code here, to run once:
27    Serial.begin(9600);  //Sets the baud for serial data transmission 
28    pinMode(buzzer,OUTPUT);//defining  the buzzer                    
29
30}
31
32void loop() {
33  // put your main  code here, to run repeatedly:
34  if(Serial.available() > 0)  // Send data only  when you receive data:  
35   {  
36      data = Serial.read();
37
38       if(data=='a'){//If  you will type 'a',
39        tone(buzzer,1000);//make a sound
40        delay(20);
41        noTone(buzzer);
42        
43       }
44       if (data=='b'){//If you  will type 'b',
45        tone(buzzer,100);//Make a sound
46        delay(20);
47        noTone(buzzer);
48       }
49if(data=='c'){//if you will type c
50  tone(buzzer,90);//Make  a sound
51  delay(20);
52  noTone(buzzer);
53}
54if (data=='d'){
55  tone(buzzer,345);
56  delay(20);
57  noTone(buzzer);
58}
59if(data=='e'){
60  tone(buzzer,10);
61  delay(20);
62  noTone(buzzer);
63}
64   }
65}
66  
67