pxt-calliope/docs/reference/music/play-tone.md

Play Tone

Play a musical tone through pin P0 of the micro:bit for as long as you say.

Simulator

This function only works on the micro:bit and in some browsers.

music.playTone(440, 120)

Parameters

• Hz is the Number of Hertz (the frequency, how high or low the tone is).
• ms is the Number of milliseconds that the tone lasts.

Example

This example stores the musical note C in the variable freq. Next, it plays that note for 1000 milliseconds (one second).

let freq = music.noteFrequency(Note.C)
music.playTone(freq, 1000)

See also

rest, ring tone , tempo, set tempo, change tempo by