47 lines
1.2 KiB
Markdown
47 lines
1.2 KiB
Markdown
# Flashing Heart
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## Introduction @unplugged
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Learn how to use the LEDs and make a flashing heart!
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(Want to learn how lights work? [Watch this video](https://youtu.be/qqBmvHD5bCw)).
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## Step 1 @fullscreen
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Place the ``||basic:show leds||`` block in the ``||basic:forever||`` block and draw a heart.
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## Step 2 @fullscreen
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Place another ``||basic:show leds||`` block. You can leave it blank and draw what you want.
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```blocks
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basic.forever(function() {
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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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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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## Step 3 @fullscreen
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Look at the virtual @boardname@, you should see the heart and your drawing blink on the screen.
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## Step 4 @fullscreen
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If you have a @boardname@ connected, click ``|Download|`` to transfer your code and watch the hearts flash!
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