This sketch uses the buzzer to play songs. The Arduino's tone() command will play a square wave of a given frequency.
This sketch uses the tone() command to play notes.
Usage:
tone([pin], [frequency]);
**note \ frequency**
c   262 Hz
d   294 Hz
e   330 Hz
f   349 Hz
g   392 Hz
a   440 Hz
b   494 Hz
C   523 Hz
Other useful commands:
noTone([pin]);
and,
delay([time_ms]);
For more information, see http://arduino.cc/en/Tutorial/Tone
####Wiring Diagram
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