noTone()

[Advanced I/O]

描述

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.

語法

noTone(pin)

參數

pin: the pin on which to stop generating the tone

回傳

nothing

參考

• [程式語法] tone()

語法參考主頁面

86Duino 參考的文本是根據 Creative Commons Attribution-ShareAlike 3.0 License，部分文本是從 the Arduino reference 修改的。 參考中的代碼示例已發佈到公共領域。