pxt-calliope/olddocs/lessons/smiley/activity.md

smiley blocks activity

Learn to design a blinking image.

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Welcome! This tutorial will help you make a smiley face blink. Let's get started!

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Create an animation with an image displaying a smiley face and the next image with no LEDs lit up. This will make it look like the smiley face is blinking as the display switches between images.

basic.showLeds(`
    . # . # .
    . # . # .
    . . . . .
    # . . . #
    . # # # .
    `)
basic.showLeds(`
    . . . . .
    . . . . .
    . . . . .
    . . . . .
    . . . . .
    `)

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Excellent, you're ready to continue with the challenges!

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