int r1 = 13;
int r2 = 12;
int r3 = 11;

int g1 = 10;
int g2 = 9;
int g3 = 8;

int b1 = 7;
int b2 = 6;
int b3 = 5;

int pot;

int fsr1;
int fsr2;
int fsr3;


// notes to play, corresponding to the 3 sensors:


void setup() {
  
  pinMode(r1, OUTPUT);
  pinMode(g1, OUTPUT);
  pinMode(b1, OUTPUT);
  
  pinMode(r2, OUTPUT);
  pinMode(g2, OUTPUT);
  pinMode(b2, OUTPUT);
  
  pinMode(r3, OUTPUT);
  pinMode(g3, OUTPUT);
  pinMode(b3, OUTPUT);


Serial.begin(9600);

}

void loop() {
   Serial.print(analogRead(0));
   Serial.print(",");
   Serial.print(analogRead(1));
   Serial.print(",");
   Serial.println(analogRead(2));
   Serial.println(analogRead(3));

  
    fsr1 = analogRead(0);
    fsr2 = analogRead(1);
    fsr3 = analogRead(2);
    pot = analogRead(3);
    
/////////low tones      
     if ((pot >=0)&&(pot<=341)) {  
       
     if (fsr1 > 3) {
      tone(4, 82, 20);
    digitalWrite(r1, HIGH);
  digitalWrite(r2, HIGH);
  digitalWrite(r3, HIGH);
    }  else { digitalWrite(r1, LOW);
  digitalWrite(r2, LOW);
  digitalWrite(r3, LOW); 
}  
  
    if (fsr2 > 3) {
      tone(4, 117, 20);
      digitalWrite(g1, HIGH);
  digitalWrite(g2, HIGH);
  digitalWrite(g3, HIGH);
    } else {  digitalWrite(g1, LOW);
  digitalWrite(g2, LOW);
  digitalWrite(g3, LOW);
}
  
   if (fsr3 > 3) {
     tone(4, 78, 20);
     digitalWrite(b1, HIGH);
  digitalWrite(b2, HIGH);
  digitalWrite(b3, HIGH);
   } else {  digitalWrite(b1, LOW);
  digitalWrite(b2, LOW);
  digitalWrite(b3, LOW);
  }
  }  

////////////mid tones
 if ((pot >= 342)&&(pot<= 682)) {  
    
   if (fsr1 > 3) {
      tone(4, 330, 20);
      digitalWrite(r1, HIGH);
  digitalWrite(r2, HIGH);
  digitalWrite(r3, HIGH);
    } else {    digitalWrite(r1, LOW);
  digitalWrite(r2, LOW);
  digitalWrite(r3, LOW); }
    
    
    if (fsr2 > 3) {
      tone(4, 466, 20);
         digitalWrite(g1, HIGH);
  digitalWrite(g2, HIGH);
  digitalWrite(g3, HIGH);
    }else {   digitalWrite(g1, LOW);
  digitalWrite(g2, LOW);
  digitalWrite(g3, LOW);}
  
   if (fsr3 > 3) {
     tone(4, 311, 20);
     digitalWrite(b1, HIGH);
  digitalWrite(b2, HIGH);
  digitalWrite(b3, HIGH);
   } else {  digitalWrite(b1, LOW);
  digitalWrite(b2, LOW);
  digitalWrite(b3, LOW);}
  }  


////////////high tones
 if ((pot >= 683)&&(pot<= 1024)) {  
    if (fsr1 > 3) {
      tone(4, 1319, 20); //6 notes
      digitalWrite(r1, HIGH);
  digitalWrite(r2, HIGH);
  digitalWrite(r3, HIGH);
    } else {  digitalWrite(r1, LOW);
  digitalWrite(r2, LOW);
  digitalWrite(r3, LOW); }
    
    if (fsr2 > 3) {
      tone(4, 1865, 20);
       digitalWrite(g1, HIGH);
  digitalWrite(g2, HIGH);
  digitalWrite(g3, HIGH);
    }else {  digitalWrite(g1, LOW);
  digitalWrite(g2, LOW);
  digitalWrite(g3, LOW);}
   if (fsr3 > 3) {
     tone(4, 1245, 20);
     digitalWrite(b1, HIGH);
  digitalWrite(b2, HIGH);
  digitalWrite(b3, HIGH);
   } else {   digitalWrite(b1, LOW);
  digitalWrite(b2, LOW);
  digitalWrite(b3, LOW);}
  }  
 
  Serial.println();
}