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Arduino/build/shared/examples/02.Digital/toneMultiple/toneMultiple.ino

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/*
Multiple tone player
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Plays multiple tones on multiple pins in sequence
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circuit:
- 3 8-ohm speaker on digital pins 6, 7, and 8
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created 8 March 2010
by Tom Igoe
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based on a snippet from Greg Borenstein
This example code is in the public domain.
http://www.arduino.cc/en/Tutorial/Tone4
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*/
void setup() {
}
void loop() {
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// turn off tone function for pin 8:
noTone(8);
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// play a note on pin 6 for 200 ms:
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tone(6, 440, 200);
delay(200);
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// turn off tone function for pin 6:
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noTone(6);
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// play a note on pin 7 for 500 ms:
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tone(7, 494, 500);
delay(500);
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// turn off tone function for pin 7:
noTone(7);
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// play a note on pin 8 for 500 ms:
tone(8, 523, 300);
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delay(300);
}