Arduino Reference - NoTone

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## noTone()

#### Description

Stops the generation of a square wave triggered by tone(). Has no effect if no tone is being generated.

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.

#### Syntax

noTone(pin)

#### Parameters

pin: the pin on which to stop generating the tone

#### Returns

nothing

#### See also

- tone()

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