32 lines
798 B
Markdown
32 lines
798 B
Markdown
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# Set Brightness
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Sets the brightness of the [LED screen](/microbit/device/screen).
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```sig
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led.setBrightness(121)
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```
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### Parameters
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* value : [Number](/microbit/reference/types/number) - the brightness of the LED screen expressed as a number between 0 and 255
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### Example: change brightness
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The following example sets the screen brightness to 100% (255), turns on LED `2, 2`, waits for a second and then sets the screen brightness to 50% (127):
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```blocks
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led.setBrightness(255)
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led.plot(2, 2)
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basic.pause(1000)
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led.setBrightness(127)
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```
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### Lessons
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[night light](/microbit/lessons/night-light)
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### See also
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[brightness](/microbit/reference/led/brightness), [fade in](/microbit/reference/led/fade-in), [fade out](/microbit/reference/led/fade-out), [LED screen](/microbit/device/screen)
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