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Update link, currently noTone is 404. #764

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Aug 3, 2020
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2 changes: 1 addition & 1 deletion Language/Functions/Advanced IO/tone.adoc
Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ subCategories: [ "Advanced I/O" ]

[float]
=== Description
Generates a square wave of the specified frequency (and 50% duty cycle) on a pin. A duration can be specified, otherwise the wave continues until a call to link:../noTone[noTone()]. The pin can be connected to a piezo buzzer or other speaker to play tones.
Generates a square wave of the specified frequency (and 50% duty cycle) on a pin. A duration can be specified, otherwise the wave continues until a call to link:../notone[noTone()]. The pin can be connected to a piezo buzzer or other speaker to play tones.

Only one tone can be generated at a time. If a tone is already playing on a different pin, the call to `tone()` will have no effect. If the tone is playing on the same pin, the call will set its frequency.

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