Peli de Halleux d062f95a3b

bump to pxt 4.2 -- bump pxt-microbit to 1.2... (#1555 )

* simplify flashing heart

* improved name-tag

* tweak

2018-10-29 21:36:33 -07:00

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Flashing Heart

Introduction @unplugged

Learn how to use the LEDs and make a flashing heart!

Step 1 @fullscreen

Place the ||basic:show leds|| block in the ||basic:forever|| block and draw a heart.

Step 2 @fullscreen

Place another ||basic:show leds|| block. You can leave it blank and draw what you want.

basic.forever(function() {
    basic.showLeds(`
        . # . # .
        # # # # #
        # # # # #
        . # # # .
        . . # . .`);
    basic.showLeds(`
        . . . . .
        . . . . .
        . . . . .
        . . . . .
        . . . . .`);
})

Step 3 @fullscreen

Look at the virtual @boardname@, you should see the heart and your drawing blink on the screen.

Step 4 @fullscreen

If you have a @boardname@ connected, click |Download| to transfer your code and watch the hearts flash!

1.1 KiB Raw Blame History