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+/*
+ Esplora Music
+
+ This sketch turns the Esplora in a simple musical instrument.
+ Press the Switch 1 and move the slider to see how it works.
+
+ Created on 22 november 2012
+ By Enrico Gueli <enrico.gueli@gmail.com>
+ modified 22 Dec 2012
+ by Tom Igoe
+*/
+
+
+#include <Esplora.h>
+
+// these are the frequencies for the notes from middle C
+// to one octave above middle C:
+const int note[] = {
+262, // C
+277, // C#
+294, // D
+311, // D#
+330, // E
+349, // F
+370, // F#
+392, // G
+415, // G#
+440, // A
+466, // A#
+494, // B
+523 // C next octave
+};
+
+void setup() {
+}
+
+void loop() {
+ // read the button labeled SWITCH_DOWN. If it's low,
+ // then play a note:
+ if (Esplora.readButton(SWITCH_DOWN) == LOW) {
+ int slider = Esplora.readSlider();
+
+ // use map() to map the slider's range to the
+ // range of notes you have:
+ byte thisNote = map(slider, 0, 1023, 0, 13);
+ // play the note corresponding to the slider's position:
+ Esplora.tone(note[thisNote]);
+ }
+ else {
+ // if the button isn't pressed, turn the note off:
+ Esplora.noTone();
+ }
+}