40 lines
914 B
Markdown
40 lines
914 B
Markdown
# night light lesson
|
|
|
|
change the brightness of the @boardname@.
|
|
|
|
## Topic
|
|
|
|
Set Brightness
|
|
|
|
## Quick Links
|
|
|
|
* [activity](/lessons/night-light/activity)
|
|
* [challenges](/lessons/night-light/challenges)
|
|
* [quiz](/lessons/night-light/quiz)
|
|
* [quiz answers](/lessons/night-light/quiz-answers)
|
|
|
|
## Prior learning/place of lesson in scheme of work
|
|
|
|
Learn how to **set brightness** of an image `set brightness` to set the brightness of the LED screen. We will be learning how to set the brightness of the LED screen using LED show LEDs, on button pressed and set brightness.
|
|
|
|
## Documentation
|
|
|
|
```cards
|
|
led.setBrightness(255)
|
|
input.onButtonPressed(Button.A, () => {})
|
|
basic.showLeds(`
|
|
. . . . .
|
|
. . . . .
|
|
. . # . .
|
|
. . . . .
|
|
. . . . .
|
|
`)
|
|
```
|
|
|
|
## Objectives
|
|
|
|
* learn how to set the brightness of the LED screen
|
|
* learn how to run code when an input button is pressed
|
|
* learn how to turn on all LEDs
|
|
|