48 lines
1.4 KiB
Markdown
48 lines
1.4 KiB
Markdown
# compass lesson
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create a die on the BBC micro:bit.
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### @video td/videos/compass-0
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## Topic
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If (Conditionals)
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## Quick Links
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* [activity](/microbit/lessons/compass/activity)
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* [challenges](/microbit/lessons/compass/challenges)
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* [quiz](/microbit/lessons/compass/quiz)
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* [quiz answers](/microbit/lessons/compass/quiz-answers)
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## Prior learning/place of lesson in scheme of work
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Learn how to use an if statements to run code run code depending on whether a condition is true or not. We will be learning how to create a compass with If statements, Forever, Variables, Assignment Operator, Comparison Operator, Show String, and Show LEDs
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## Documentation
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```cards
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input.compassHeading()
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basic.forever(() => {})
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let x = 0
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if (true) {}
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basic.showString("Hello!")
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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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```
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## Objectives
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* learn how to run code when the BBC micro:bit is shaken, when running code in the web browser, moving the mouse quickly simulates shaking
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* learn how to create a local variable as a place where you can store and retrieve data
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* learn how the assignment operator is used to declare a new local variable
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* learn how to declare a new local variable or update the value of a variable
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* learn how to return a random number
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* learn how to conditionally run code depending on whether a condition is true or not
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* learn how to show an image on the LED screen
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