ExeCuteLi
Published

Unravel Preset Piano Easy Arduino (Even a Ghoul Can Make It)

This is an easy how-to make a mini-piano using Arduino, including a preset song!

BeginnerWork in progress1 hour15,688
Unravel Preset Piano Easy Arduino (Even a Ghoul Can Make It)

Things used in this project

Hardware components

Pushbutton switch 12mm
SparkFun Pushbutton switch 12mm
4 for notes and 1 for the melody :)
×5
Jumper wires (generic)
Jumper wires (generic)
5 for the buttons, 2 for the speaker and 1 to close electric circuit
×8
Buzzer
Buzzer
For the sounds!
×1
Arduino UNO & Genuino UNO
Arduino UNO & Genuino UNO
×1
Breadboard (generic)
Breadboard (generic)
I use a smaller breadboard with less rows, but this is actually much better for more notes.
×1
Resistor 1k ohm
Resistor 1k ohm
One for every button
×5

Software apps and online services

Arduino IDE
Arduino IDE

Story

Read more

Schematics

Circuit Diagram

Here's the circuit diagram, the piezo buzzer's black wire is the +side and the red one is the - side of the buzzer. Those two wires represent the spot where the pins of the buzzer are attached to the breadboard.

Code

Arduino_Piano_UNRAVEL

Arduino
Main code for everything hardware-related and melody.
I keep updating this code, adding to the song til it's done.
#include "pitches.h"
#define ACTIVATED LOW


const int PIEZO = 11;
const int LED = 13;

int buttonSong = 8;
const int BUTTON_C = 6;
const int BUTTON_AS = 4;
const int BUTTON_A = 3;
const int BUTTON_G = 2;


void setup()
{
  Serial.begin(9600);
  pinMode(LED, OUTPUT);
  pinMode(BUTTON_C, INPUT);
  digitalWrite(BUTTON_C,HIGH);
  pinMode(BUTTON_AS, INPUT);
  digitalWrite(BUTTON_AS,HIGH);
  pinMode(BUTTON_A, INPUT);
  digitalWrite(BUTTON_A,HIGH);
  pinMode(BUTTON_G, INPUT);
  digitalWrite(BUTTON_G,HIGH);
  pinMode (buttonSong, INPUT);
  digitalWrite(buttonSong, HIGH);
  
  digitalWrite(LED,LOW);
}


// notes in the melody:
int melody[] = {
NOTE_AS4, NOTE_C5, NOTE_AS4, NOTE_A4, NOTE_G4,  NOTE_C5, NOTE_AS4, NOTE_A4, NOTE_G4, NOTE_G4, NOTE_F4, 0, 0,
NOTE_DS4, NOTE_DS4, NOTE_F4, NOTE_D4, 0, 0, 0, NOTE_D4, NOTE_D4, NOTE_D4, NOTE_D4, NOTE_D5, NOTE_D5,
NOTE_G3, NOTE_AS3, NOTE_C4, NOTE_G3, NOTE_G3, NOTE_AS3, NOTE_AS4, NOTE_A4, NOTE_A4, NOTE_A4, NOTE_AS4, NOTE_AS4, 
NOTE_G3, NOTE_AS3, NOTE_C4, NOTE_G3, NOTE_G3, NOTE_AS3,


NOTE_AS4, NOTE_C5, NOTE_AS4, NOTE_A4, NOTE_G4,  NOTE_C5, NOTE_AS4, NOTE_A4, NOTE_G4, NOTE_G4, NOTE_F4, 0, 0,
NOTE_DS4, NOTE_DS4, NOTE_F4, NOTE_D4, NOTE_G3, NOTE_AS3, NOTE_C4, NOTE_F3, NOTE_AS3, NOTE_A3, NOTE_F3, 
NOTE_D4, NOTE_D4, NOTE_D4, NOTE_D5, NOTE_D5,
NOTE_G3, NOTE_AS3, NOTE_C4, NOTE_F3, NOTE_AS3, NOTE_G3, NOTE_AS4, NOTE_A4, NOTE_A4, NOTE_A4, NOTE_AS4, NOTE_AS4, 




};

// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {
  
4.5, 2.25, 2.25, 4.5, 2.25, 2.25, 2.25, 2.25, 2.25, 4.5, 3, 9, 4.5, 
4.5, 2.25, 4.5, 2.25, 1.125, 2.25, 4.5, 4.5, 2.25, 4.5, 2.25, 4.5, 2.25, 
4.5, 4.5, 4.5, 2.25, 4.5, 4.5, 4.5, 2.25, 4.5, 2.25, 4.5, 2, 
4.5, 4.5, 4.5, 2.25, 4.5, 4.5,

4.5, 2.25, 2.25, 4.5, 2.25, 2.25, 2.25, 2.25, 2.25, 4.5, 3, 9, 4.5, 
4.5, 2.25, 4.5, 4.5, 4.5, 4.5, 4.5, 4.5, 3, 3, 4.5, 
2.25, 4.5, 2.25, 4.5, 2.25, 
4.5, 4.5, 4.5, 4.5, 2.25, 4.5, 4.5, 2.25, 4.5, 2.25, 4.5, 2.25, 






} ;


void loop()
{
   while(digitalRead(BUTTON_C) == ACTIVATED)
  {
    tone(PIEZO,NOTE_C5);
    digitalWrite(LED,HIGH);
  }
  while(digitalRead(BUTTON_AS) == ACTIVATED)
  {
    tone(PIEZO,NOTE_AS4);
    digitalWrite(LED,HIGH);
  }

  while(digitalRead(BUTTON_A) == ACTIVATED)
  {
    tone(PIEZO,NOTE_A4);
    digitalWrite(LED,HIGH);
  }
  
  while(digitalRead(BUTTON_G) == ACTIVATED)
  {
    tone(PIEZO,NOTE_G4);
    digitalWrite(LED,HIGH);
  }
  
  if(digitalRead(buttonSong) == ACTIVATED) {
    for (int thisNote=0; thisNote <85; thisNote++) {
      int noteDuration = 600 / noteDurations[thisNote];
      tone(11, melody[thisNote], noteDuration);
      int pauseBetweenNotes = noteDuration * 1.50;
      delay(pauseBetweenNotes);
      noTone(11);
    }
    
  }

  noTone(PIEZO);
  digitalWrite(LED,LOW);

}

pitches.h

Arduino
Contains the notes for the arduino to play.
#define NOTE_B0  31
#define NOTE_C1  33
#define NOTE_CS1 35
#define NOTE_D1  37
#define NOTE_DS1 39
#define NOTE_E1  41
#define NOTE_F1  44
#define NOTE_FS1 46
#define NOTE_G1  49
#define NOTE_GS1 52
#define NOTE_A1  55
#define NOTE_AS1 58
#define NOTE_B1  62
#define NOTE_C2  65
#define NOTE_CS2 69
#define NOTE_D2  73
#define NOTE_DS2 78
#define NOTE_E2  82
#define NOTE_F2  87
#define NOTE_FS2 93
#define NOTE_G2  98
#define NOTE_GS2 104
#define NOTE_A2  110
#define NOTE_AS2 117
#define NOTE_B2  123
#define NOTE_C3  131
#define NOTE_CS3 139
#define NOTE_D3  147
#define NOTE_DS3 156
#define NOTE_E3  165
#define NOTE_F3  175
#define NOTE_FS3 185
#define NOTE_G3  196
#define NOTE_GS3 208
#define NOTE_A3  220
#define NOTE_AS3 233
#define NOTE_B3  247
#define NOTE_C4  262
#define NOTE_CS4 277
#define NOTE_D4  294
#define NOTE_DS4 311
#define NOTE_E4  330
#define NOTE_F4  349
#define NOTE_FS4 370
#define NOTE_G4  392
#define NOTE_GS4 415
#define NOTE_A4  440
#define NOTE_AS4 466
#define NOTE_B4  494
#define NOTE_C5  523
#define NOTE_CS5 554
#define NOTE_D5  587
#define NOTE_DS5 622
#define NOTE_E5  659
#define NOTE_F5  698
#define NOTE_FS5 740
#define NOTE_G5  784
#define NOTE_GS5 831
#define NOTE_A5  880
#define NOTE_AS5 932
#define NOTE_B5  988
#define NOTE_C6  1047
#define NOTE_CS6 1109
#define NOTE_D6  1175
#define NOTE_DS6 1245
#define NOTE_E6  1319
#define NOTE_F6  1397
#define NOTE_FS6 1480
#define NOTE_G6  1568
#define NOTE_GS6 1661
#define NOTE_A6  1760
#define NOTE_AS6 1865
#define NOTE_B6  1976
#define NOTE_C7  2093
#define NOTE_CS7 2217
#define NOTE_D7  2349
#define NOTE_DS7 2489
#define NOTE_E7  2637
#define NOTE_F7  2794
#define NOTE_FS7 2960
#define NOTE_G7  3136
#define NOTE_GS7 3322
#define NOTE_A7  3520
#define NOTE_AS7 3729
#define NOTE_B7  3951
#define NOTE_C8  4186
#define NOTE_CS8 4435
#define NOTE_D8  4699
#define NOTE_DS8 4978

Credits

ExeCuteLi

ExeCuteLi

1 project • 7 followers

Comments