🎼🎹Mini Piano🎹🎼

Building a miniature piano using Arduino UNO. The 8 customizable buttons allow you to play any frequency and tone u want.

Oct 21, 2021

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3 respects

Devices & Components

Arduino Uno Rev3

Resistor 10k ohm

Tactile Switch, Top Actuated

9V battery (generic)

Buzzer, Piezo

Solderless Breadboard Full Size

Jumper wires (generic)

Software & Tools

Arduino Web Editor

Project description

Code

c_cpp

Refer to this for the CODE of MINI PIANO

1int pb1 = 2;
2int pb2 = 3;
3int pb3 = 4;
4int pb4 = 5;
5int pb5  = 6;
6int pb6 = 7;
7int pb7 = 8;
8int pb8 = 9;
9
10int buzz = 13;
11
12void  setup()
13{
14  //declare the pushbutton pins as input
15  pinMode(pb1,INPUT);
16  pinMode(pb2,INPUT);
17  pinMode(pb3,INPUT);
18  pinMode(pb4,INPUT);
19  pinMode(pb5,INPUT);
20  pinMode(pb6,INPUT);
21  pinMode(pb7,INPUT);
22  pinMode(pb8,INPUT);
23  //declare  buzzer pin as output
24  pinMode(buzz,OUTPUT);
25  
26}
27
28void loop()
29{
30  // read the value from pushbuttons
31  int C = digitalRead(pb1);
32  int D =  digitalRead(pb2);
33  int E = digitalRead(pb3);
34  int F = digitalRead(pb4);
35  int G = digitalRead(pb5);
36  int A = digitalRead(pb6);
37  int B = digitalRead(pb7);
38  int C2 = digitalRead(pb8);
39  
40  if( C == 1 ){
41     tone(buzz,262,100);//C,Do,sa
42  }
43    if( D == 1 ){
44     tone(buzz,294,100);//D,Re,re
45  }
46    if(  E == 1 ){
47     tone(buzz,330,100);//E,Me,ga
48  }
49    if( F == 1 ){
50     tone(buzz,349,100);//F,Fa,ma
51  }
52    if( G == 1 ){
53     tone(buzz,392,100);//G,So,pa
54  }
55    if(  A == 1 ){
56     tone(buzz,440,100);//A,La,da
57  }
58    if( B == 1 ){
59     tone(buzz,494,100);//B,Te,ni
60  }
61    if( C2 == 1 ){
62     tone(buzz,523,100);//C,Do,sa
63  }
64
65  delay(10);
66  
67  
68}

int pb1 = 2;
int pb2 = 3;
int pb3 = 4;
int pb4 = 5;
int pb5  = 6;
int pb6 = 7;
int pb7 = 8;
int pb8 = 9;

int buzz = 13;

void  setup()
{
  //declare the pushbutton pins as input
  pinMode(pb1,INPUT);
  pinMode(pb2,INPUT);
  pinMode(pb3,INPUT);
  pinMode(pb4,INPUT);
  pinMode(pb5,INPUT);
  pinMode(pb6,INPUT);
  pinMode(pb7,INPUT);
  pinMode(pb8,INPUT);
  //declare  buzzer pin as output
  pinMode(buzz,OUTPUT);
  
}

void loop()
{
  // read the value from pushbuttons
  int C = digitalRead(pb1);
  int D =  digitalRead(pb2);
  int E = digitalRead(pb3);
  int F = digitalRead(pb4);
  int G = digitalRead(pb5);
  int A = digitalRead(pb6);
  int B = digitalRead(pb7);
  int C2 = digitalRead(pb8);
  
  if( C == 1 ){
     tone(buzz,262,100);//C,Do,sa
  }
    if( D == 1 ){
     tone(buzz,294,100);//D,Re,re
  }
    if(  E == 1 ){
     tone(buzz,330,100);//E,Me,ga
  }
    if( F == 1 ){
     tone(buzz,349,100);//F,Fa,ma
  }
    if( G == 1 ){
     tone(buzz,392,100);//G,So,pa
  }
    if(  A == 1 ){
     tone(buzz,440,100);//A,La,da
  }
    if( B == 1 ){
     tone(buzz,494,100);//B,Te,ni
  }
    if( C2 == 1 ){
     tone(buzz,523,100);//C,Do,sa
  }

  delay(10);
  
  
}

Code

c_cpp

Refer to this for the CODE of MINI PIANO

1int pb1 = 2;
2int pb2 = 3;
3int pb3 = 4;
4int pb4 = 5;
5int pb5   = 6;
6int pb6 = 7;
7int pb7 = 8;
8int pb8 = 9;
9
10int buzz = 13;
11
12void   setup()
13{
14  //declare the pushbutton pins as input
15  pinMode(pb1,INPUT);
16   pinMode(pb2,INPUT);
17  pinMode(pb3,INPUT);
18  pinMode(pb4,INPUT);
19  pinMode(pb5,INPUT);
20   pinMode(pb6,INPUT);
21  pinMode(pb7,INPUT);
22  pinMode(pb8,INPUT);
23  //declare   buzzer pin as output
24  pinMode(buzz,OUTPUT);
25  
26}
27
28void loop()
29{
30   // read the value from pushbuttons
31  int C = digitalRead(pb1);
32  int D =   digitalRead(pb2);
33  int E = digitalRead(pb3);
34  int F = digitalRead(pb4);
35   int G = digitalRead(pb5);
36  int A = digitalRead(pb6);
37  int B = digitalRead(pb7);
38   int C2 = digitalRead(pb8);
39  
40  if( C == 1 ){
41     tone(buzz,262,100);//C,Do,sa
42   }
43    if( D == 1 ){
44     tone(buzz,294,100);//D,Re,re
45  }
46    if(   E == 1 ){
47     tone(buzz,330,100);//E,Me,ga
48  }
49    if( F == 1 ){
50     tone(buzz,349,100);//F,Fa,ma
51   }
52    if( G == 1 ){
53     tone(buzz,392,100);//G,So,pa
54  }
55    if(   A == 1 ){
56     tone(buzz,440,100);//A,La,da
57  }
58    if( B == 1 ){
59     tone(buzz,494,100);//B,Te,ni
60   }
61    if( C2 == 1 ){
62     tone(buzz,523,100);//C,Do,sa
63  }
64
65  delay(10);
66   
67  
68}

int pb1 = 2;
int pb2 = 3;
int pb3 = 4;
int pb4 = 5;
int pb5   = 6;
int pb6 = 7;
int pb7 = 8;
int pb8 = 9;

int buzz = 13;

void   setup()
{
  //declare the pushbutton pins as input
  pinMode(pb1,INPUT);
   pinMode(pb2,INPUT);
  pinMode(pb3,INPUT);
  pinMode(pb4,INPUT);
  pinMode(pb5,INPUT);
   pinMode(pb6,INPUT);
  pinMode(pb7,INPUT);
  pinMode(pb8,INPUT);
  //declare   buzzer pin as output
  pinMode(buzz,OUTPUT);
  
}

void loop()
{
   // read the value from pushbuttons
  int C = digitalRead(pb1);
  int D =   digitalRead(pb2);
  int E = digitalRead(pb3);
  int F = digitalRead(pb4);
   int G = digitalRead(pb5);
  int A = digitalRead(pb6);
  int B = digitalRead(pb7);
   int C2 = digitalRead(pb8);
  
  if( C == 1 ){
     tone(buzz,262,100);//C,Do,sa
   }
    if( D == 1 ){
     tone(buzz,294,100);//D,Re,re
  }
    if(   E == 1 ){
     tone(buzz,330,100);//E,Me,ga
  }
    if( F == 1 ){
     tone(buzz,349,100);//F,Fa,ma
   }
    if( G == 1 ){
     tone(buzz,392,100);//G,So,pa
  }
    if(   A == 1 ){
     tone(buzz,440,100);//A,La,da
  }
    if( B == 1 ){
     tone(buzz,494,100);//B,Te,ni
   }
    if( C2 == 1 ){
     tone(buzz,523,100);//C,Do,sa
  }

  delay(10);
   
  
}

Downloadable files

Circuit Diagram

Mini Piano Schematics

Circuit Diagram

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harsha123456

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