sound Level

Find out what the the level of sound heard by the microphone is.

input.soundLevel()

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.

Returns

a number between 0 (low sound) and 255 (loud sound) which tells how loud the sounds are that the microphone hears.

Example

Show a checkerboard icon while the sound level is greater than 100.

basic.forever(function () {
    if (input.soundLevel() > 100) {
        basic.showIcon(IconNames.Chessboard)
    } else {
        basic.clearScreen()
    }
})

sound Level

Returns

Example

See also