2016-03-26 00:47:20 +01:00
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# smiley blocks lesson
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design a blinking image lesson #docs
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### @video td/videos/smiley-0
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## Topic
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Show LEDs
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## Quick Links
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* [activity](/microbit/lessons/smiley/activity)
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* [quiz](/microbit/lessons/smiley/quiz)
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* [quiz answers](/microbit/lessons/smiley/quiz-answers)
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* [challenges](/microbit/lessons/smiley/challenges)
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2016-03-30 01:17:34 +02:00
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## Prior learning/place of lesson in scheme of work
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2016-03-26 00:47:20 +01:00
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Learn how to **show LEDs** to turn on a LED light pattern on the LED screen. We will be learning basic comments such as show LEDs and pause.
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## Documentation
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* **show LEDs** : [read more...](/microbit/reference/basic/show-leds)
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* **on button pressed** : [read more...](/microbit/reference/input/on-button-pressed)
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2016-03-30 01:17:34 +02:00
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```docs
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input.onButtonPressed(Button.A, () => {
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2016-03-26 00:47:20 +01:00
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2016-03-30 01:17:34 +02:00
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})
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basic.showLeds(`
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. . . . .
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. . . . .
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. . # . .
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. . . . .
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. . . . .
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`)
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2016-03-26 00:47:20 +01:00
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2016-03-30 01:17:34 +02:00
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```
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2016-03-26 00:47:20 +01:00
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2016-03-30 01:17:34 +02:00
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## Objectives
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2016-03-26 00:47:20 +01:00
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2016-03-30 01:17:34 +02:00
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* learn how to show LEDs on the LED screen
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* learn how to run code when an input button is pressed
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2016-03-26 00:47:20 +01:00
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