Theremin example (#8)

* Encoder and distance as theremin

Author: giulio93

examples/Modulino_Buzzer/Theremin/Theremin.ino

@@ -0,0 +1,32 @@
+#include "Modulino.h"
+
+ModulinoBuzzer buzzer;
+ModulinoDistance distance;
+ModulinoKnob encoder;
+
+
+void setup() {
+
+  Modulino.begin();
+  encoder.begin();
+  distance.begin();
+  buzzer.begin();
+}
+
+int pitch = 0;
+int noteIndex = 0;
+
+//Notes from C to B with #
+int note[] = {262, 277, 294, 311, 330, 349, 370, 392, 415, 440, 466, 494};
+
+void loop() {
+  pitch = distance.get();
+  noteIndex = encoder.get();
+
+  noteIndex = noteIndex % 11;
+  if (noteIndex < 0){
+      noteIndex = 0;
+  }
+
+  buzzer.tone(note[noteIndex] + pitch, 1000);
+}