Changed Mode Port, and added a velocity button

Theremin/Theremin.ino

@@ -5,25 +5,36 @@
  */
  int mode;
 void setup() {
-    pinMode(0, INPUT_PULLUP);
+    pinMode(6, INPUT_PULLUP);
     pinMode (13, OUTPUT);
   pinMode(8, OUTPUT);
+  pinMode (7, INPUT_PULLUP);
+
+  
     Serial.begin (9600);        //set up a serial connection with the computer
 
   pinMode(11, OUTPUT);   //the trigger pin 
   pinMode(12, INPUT);    //echo pin
-  if (digitalRead(0) ==HIGH){
+  if (digitalRead(6) ==HIGH){
     mode = 0;
     mode = 1;
   }
 }
 
 void loop() {
+
+  if (digitalRead(7) == LOW){
   if (mode == 0){
     digitalWrite(13, HIGH);
     tone(8, getNote()); 
   }
+  }
+  else{
+    noTone(8);
+  }
 }
+
+
 float getNote()
 {
   float echoTime;
@@ -35,7 +46,7 @@ float getNote()
   echoTime = pulseIn(12, HIGH);                                       
   calculatedDistance = echoTime / 8; 
   calculatedDistance += 110;
-  if (calculatedDistance > 1760){ //
+  if (calculatedDistance > 1760){ //git 
 
     calculatedDistance = 1760;
   }