on Sound

Run some code when the microphone hears a sound.

input.onSound(DetectedSound.Loud, function () {})

The microphone will detect sounds that are quiet or loud. You can have the microphone detect a sound at a certain level and run some code in and event when it hears the sound. There are two sound ranges you can detect for: loud or quiet.

works with micro:bit V2 only image

This block requires the micro:bit V2 hardware. If you use this block with a micro:bit v1 board, you will see the 927 error code on the screen.

Parameters

sound: the type of sound to detect: loud or quiet.
handler: the code to run when a sound is heard.

Example

Show an icon animation when the microphone detects a sound.

input.onSound(DetectedSound.Loud, function () {
    basic.showIcon(IconNames.Square)
    basic.showIcon(IconNames.SmallSquare)
    basic.showIcon(IconNames.SmallDiamond)
    basic.clearScreen()
})

on Sound

Parameters

Example

See also