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March 08, 2010, at 04:24 PM
Added lines 6-9:
NOTE: if you want to play different pitches on multiple pins, you need to call noTone() on one pin before calling tone() on the next pin.
January 09, 2010, at 05:41 PM
Added lines 1-16:
Stops the generation of a square wave triggered by tone(). Has no effect if no tone is being generated.
pin: the pin on which to stop generating the tone