pxt-calliope/docs/reference/led/fade-out.md

Fade out

Gradually decrease the LED screen brightness until the LED lights are turned off.

led.fadeOut(700);

Parameters

• ms - Number; the speed that the screen brightness is decreased, expressed in milliseconds (1,000 milliseconds = 1 second). The smaller the number the faster the screen brightness decreased.

Example: fade away letter A

The following example sets the screen brightness to the maximum brightness, displays the letter A, and then gradually fades the letter away:

led.setBrightness(255)
basic.showString("A", 1000)
led.fadeOut(1000)

See also

brightness, fade in, set brightness