2016-03-26 00:47:20 +01:00
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# strobe light lesson
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Learn how to create a blinking LED script. #LED #screen #plot #docs
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### @video td/videos/strobe-light-0
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## Topic
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For Loop
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## Quick links
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* [activity](/microbit/lessons/strobe-light/activity)
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* [challenges](/microbit/lessons/strobe-light/challenges)
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2016-03-30 01:17:34 +02:00
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## Documentation
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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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```docs
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led.plot(0, 0)
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led.unplot(0, 0)
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for (let i = 0; i < 5; i++) {
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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.pause(100)
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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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## Objectives
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* learn how to repeat code a fixed number of times
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* learn how to turn on a LED light on the LED screen. Specify with LED using x, y coordinates
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* learn how to turn off a LED light on the LED screen. Specify which LED which x, y coordinates
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* learn how to pause program execution for the specified number of milliseconds
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