The ‘Can’ Band

Please refer to Ivory’s post for full context.

I’ve attached the code for the ‘can’ organ here:

#include <CapacitiveSensor.h>
#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

long sensor2start,sensor1start,sensor3start,sensor4start;
int melody[] = {
  NOTE_C4, NOTE_G3, NOTE_G3, NOTE_A3, NOTE_G3, 0, NOTE_B3, NOTE_C4
};

// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {
  4, 8, 8, 4, 4, 4, 4, 4
};
CapacitiveSensor   can1 = CapacitiveSensor(4,12); // 1M resistor between pins 4 & 8, pin 8 is sensor pin, add a wire and or foil
CapacitiveSensor   can2 = CapacitiveSensor(3,11);
CapacitiveSensor   can3 = CapacitiveSensor(2,10);
CapacitiveSensor   can4 = CapacitiveSensor(5,9);
void setup()                    
{
   can1.set_CS_AutocaL_Millis(0xFFFFFFFF);
   can2.set_CS_AutocaL_Millis(0xFFFFFFFF);
   can3.set_CS_AutocaL_Millis(0xFFFFFFFF);
   can4.set_CS_AutocaL_Millis(0xFFFFFFFF);// turn off autocalibrate on channel 1 - just as an example
   Serial.begin(9600);
   pinMode(7,OUTPUT);
   sensor1start =  can1.capacitiveSensor(50);
   sensor2start =  can2.capacitiveSensor(50);
   sensor3start =  can3.capacitiveSensor(50);
   sensor4start =  can4.capacitiveSensor(50);
   //start
 /*for (int thisNote = 0; thisNote < 8; thisNote++) {

    // to calculate the note duration, take one second divided by the note type.
    //e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
    int noteDuration = 1000 / noteDurations[thisNote];
    tone(8, melody[thisNote], noteDuration);

    // to distinguish the notes, set a minimum time between them.
    // the note's duration + 30% seems to work well:
    int pauseBetweenNotes = noteDuration * 1.30;
    delay(pauseBetweenNotes);
    // stop the tone playing:
    noTone(8);
  }*/
   //end
}

void loop()                    
{
 long sensor1 =  can1.capacitiveSensor(50);

    //Serial.println(sensor1);  // print sensor output 
   if(sensor1 >= (sensor1start+500))
   {
    digitalWrite(7,HIGH);
    tone(8, NOTE_A4, 100);
   }
   else{
    digitalWrite(7,LOW);
   }  

   long sensor2 =  can2.capacitiveSensor(50);

    Serial.println(sensor1);  // print sensor output 
   if(sensor2 >= (sensor2start+500))
   {
    digitalWrite(7,HIGH);
    tone(8, NOTE_G4, 100);
   }
   else{
    digitalWrite(7,LOW);
   }  

   

   
long sensor3 =  can3.capacitiveSensor(50);

    Serial.println(sensor3);  // print sensor output 
   if(sensor3 >= (sensor3start+500))
   {
    digitalWrite(7,HIGH);
    tone(8, NOTE_B4, 100);
   }
   else{
    digitalWrite(7,LOW);
   }  
   
long sensor4 =  can4.capacitiveSensor(30);

    Serial.println(sensor4);  // print sensor output 
   if(sensor4 >= (sensor4start+500))
   {
    digitalWrite(7,HIGH);
    tone(8, NOTE_E4, 100);
   }
   else{
    digitalWrite(7,LOW);
   }  

   
}