but my code and my wiring is not working together. Can I please get some help to figure out what changes I need to do in order to make it work? #include
I am trying to create an Arduino piano, but my code and my wiring is not working together. Can I please get some help to figure out what changes I need to do in order to make it work?
#include <LiquidCrystal.h>
int notes[] = {262, 294, 330, 349, 392, 440, 494, 523}; // Set frequency for C4, D4, E4, F4, G4, A4, B4, C5
const int rs = 8, en = 9, d4 = 10, d5 = 11, d6 = 12, d7 = 13; //Pins to which LCD is connected
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
char button = 0;
int analogVal;
char REC = 0;
int Volume_control = 0;
int recorded_button[200];
int pev_button;
int recorded_time [200];
char time_index;
char button_index = 0;
unsigned long start_time;
int note_time;
void setup() {
Serial.begin(9600);
pinMode (6, INPUT);
lcd.begin(16, 2); //We are using a 16*2 LCD display
lcd.print("Piano"); //Display a intro message
lcd.setCursor(0, 1); // set the cursor to column 0, line 1
lcd.print("By Kari Bogen"); //Display a intro message
delay(2000); //Wait for display to show info
lcd.clear(); //Then clean it
}
void loop()
{
while (digitalRead(6) == 0) //If the toggle switch is set in recording mode
{
lcd.setCursor(0, 0); lcd.print("Recording..");
lcd.setCursor(0, 1);
Detect_button();
Play_tone();
}
while (digitalRead(6) == 1) //If the toggle switch is set in Playing mode
{
lcd.clear();
lcd.setCursor(0, 0); lcd.print("Now Playing..");
for (int i = 0; i < sizeof(recorded_button) / 2; i++)
{
delay((recorded_time[i]) * 10); //Wait for before paying next tune
if (recorded_button[i] == 0)
noTone(7); //user dint touch any button
else
tone(7, notes[(recorded_button[i] - 1)]); //play the sound corresponding to the button touched by the user
}
}
}
void Detect_button()
{
analogVal = analogRead(A0); //read the analog voltage on pin A0
pev_button = button; //remember the previous button pressed by the user
if (analogVal < 550)
button = 8;
if (analogVal < 500)
button = 7;
if (analogVal < 450)
button = 6;
if (analogVal < 400)
button = 5;
if (analogVal < 300)
button = 4;
if (analogVal < 250)
button = 3;
if (analogVal < 150)
button = 2;
if (analogVal < 100)
button = 1;
if (analogVal > 1000)
button = 0;
//Record the pressed buttons in a array
if (button != pev_button && pev_button != 0)
{
recorded_button[button_index] = pev_button;
button_index++;
recorded_button[button_index] = 0;
button_index++;
}
//End of Recording program
}
void Play_tone()
{
//Record the time delay between each button press in a array
if (button != pev_button)
{
lcd.clear(); //Then clean it
note_time = (millis() - start_time) / 10;
recorded_time[time_index] = note_time;
time_index++;
start_time = millis();
}
//End of Recording program
if (button == 0)
{
noTone(7);
lcd.print("0 -> Pause..");
}
if (button == 1)
{
tone(7, notes[0]);
lcd.print("1 -> NOTE_C4");
}
if (button == 2)
{
tone(7, notes[1]);
lcd.print("2 -> NOTE_D4");
}
if (button == 3)
{
tone(7, notes[2]);
lcd.print("3 -> NOTE_E4");
}
if (button == 4)
{
tone(7, notes[3]);
lcd.print("4 -> NOTE_F4");
}
if (button == 5)
{
tone(7, notes[4]);
lcd.print("5 -> NOTE_G4");
}
if (button == 6)
{
tone(7, notes[5]);
lcd.print("6 -> NOTE_A4");
}
if (button == 7)
{
tone(7, notes[6]);
lcd.print("7 -> NOTE_B4");
}
if (button == 8)
{
tone(7, notes[7]);
lcd.print("8 -> NOTE_C5");
}
}
void Potentiometer (){
pinMode (A5, INPUT);
pinMode (Volume_control, OUTPUT);
}
Step by step
Solved in 2 steps
